Author Archives: JC Torres

Phones Turn Reminders Into Distractions, This Magnetic Display Won’t

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Smartphones have made information permanently accessible, but that accessibility comes at a price. The same device that shows you a reminder also delivers a notification for something unrelated, which leads to one more app opened, one more five-minute detour, and one more afternoon where the task you meant to remember sits unfinished somewhere in a mental stack. The problem isn’t access to information. It’s the medium through which it arrives.

The ZecTrix Note 4 approaches that with a different premise: what if the display that shows your tasks doesn’t connect to your attention the same way a phone screen does? It’s a 4.2-inch e-paper smart display, about the size of a palm, that attaches magnetically to a metal surface and stays there showing whatever you most need to remember, using almost no power to do it.

Designer: ZecTrix

The interaction model is deliberately minimal. Press the physical button, speak your task or reminder, and the device converts that into text and adds it to the display. The built-in AI voice assistant handles the transcription and task management, and the e-paper screen holds whatever it’s showing without any power draw between updates. The display also handles weather, clocks, focus timers, handwritten notes, images, and custom templates.

Hardware underneath is solid for something this compact. An ESP32-S3 dual-core processor with 8 MB of PSRAM and 16 MB of flash handles the AI processing and connectivity, backed by a 2,000 mAh battery, 2.4 GHz Wi-Fi, Bluetooth 5.0, NFC, a speaker, a microphone, and a USB Type-C port for charging. GPIO expansion is also available, which opens the platform to custom hardware additions.

The 97mm x 97mm x 8.75mm square chassis comes in three enclosure variants: an injection-molded Minimal Premium Edition designed for clean desk or kitchen wall placement, a standard Everyday Edition for DIY-minded users, and a Color Edition with open-source 3D model files for those who want to print their own. The magnetic backplate sticks firmly to any suitable metal surface without adhesive or mounting hardware.

For users who want more than a black-and-white display, there’s the Note 4C, which replaces the monochrome panel with a four-color E Ink screen that adds red and yellow to the palette. It runs on the same hardware platform but ships without the consumer AI firmware, positioning it instead as an open development device for people with ESP32 experience. The color panel is slower to refresh, typically over ten seconds per full update, making it better suited to status labels, family photo cards, or API dashboards that update occasionally rather than continuously.

The two products are deliberately distinct rather than tiered versions of the same thing. The Note 4 is a finished product with a lifetime AI voice service included; the Note 4C is an open starting point for a custom build. Both share the same physical form, so the choice comes down to how much of the software someone wants to supply themselves.

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The $33 Box That Locks Your Phone and Judges You for Opening It Early

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Screen time management has spawned an entire industry of apps, built-in focus modes, notification filters, and weekly usage reports that most people glance at and promptly ignore. The fundamental problem with all of them is that they live on the same device you’re trying to avoid, which keeps willpower in charge of the whole arrangement. And willpower, predictably, tends to lose that particular argument somewhere around the third notification.

The Sonic Digitox The Routine sidesteps that problem entirely by making your phone physically unreachable for as long as you decide. It’s a timed lock case with no app to disable, no passcode to talk yourself into entering, and no settings menu to rationalize your way through. You put the phone in, set the lock, and that’s the end of your access until the timer says otherwise.

Designer: Sonic

Two lock modes handle different approaches to the problem. Routine Lock works on a schedule, letting you define repeating daily windows during which the case locks automatically and signals each transition with light and sound. If 11 PM to 7 AM is meant to be phone-free, the case enforces that without asking for your cooperation every night, which is precisely the point.

Timer Lock handles the more immediate situation where you need to focus right now, without a preset schedule. You set a countdown of up to 99 hours and 59 minutes, and the phone stays sealed until it runs out. For a study session, a focused work morning, or a dinner where nobody at the table needs to be somewhere else digitally, it removes the option before the habit has a chance to argue back.

Neither mode traps you completely. An emergency reset function exists for genuine urgency, but it isn’t quiet about it. Triggering it sounds a one-minute alarm and leaves a RESET mark displayed on the case for 24 hours afterward. The friction is deliberate, designed to make the difference between an actual emergency and a momentary craving feel tangible rather than theoretical.

Two additional modes round out the four-mode system for lighter use. Time Display shows the time without any lock, while a Timer mode runs a count-up or countdown without physically securing the phone. The case also includes a goal sticker and a smartphone contract form, a pairing that makes it a practical tool for parent-child agreements around device time, where putting terms in writing and then sealing the phone inside creates a layer of accountability that app-based controls don’t quite replicate.

The body is ABS plastic with a polycarbonate lid, running on three AAA batteries, and the whole thing measures approximately 190mm x 70mm x 170 mm. It comes in white, blue, and pink, and was recognized with a category award at the 2026 Japanese Stationery Awards, which is about as specific an endorsement as a phone lock case can hope for.

There’s a refreshing bluntness to what the Digitox offers. Most products in the digital wellness space treat phone overuse as a behavioral settings problem, one more toggle away from being solved. This one treats it as a custody problem, and the solution is handing custody over to a box that doesn’t negotiate. At roughly $33, it costs less than a single month of most productivity apps and requires no subscription to keep working.

The post The $33 Box That Locks Your Phone and Judges You for Opening It Early first appeared on Yanko Design.

Motorola’s Patent Isn’t a Phone You Wear, It’s a Watch You Unfold

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The idea of merging a smartwatch and a smartphone into a single device has been floating around the industry for years, mostly because the obvious inconvenience is right there: two screens on two separate devices, one tiny and worn on the wrist, the other large and kept in a pocket, each doing essentially half the job the other can’t. The logical question is whether one of those devices could do both jobs depending on the situation.

Motorola’s latest patent, officially registered as US12,693,705 under the title “Pivoting wearable reconfigurable screen,” proposes exactly that. The device starts on the wrist as a conventional smartwatch, its flexible display curved around the band. When more screen real estate is needed, the strap pivots and unfolds, flattening into a short, wide display format that functions as a handheld device. A third configuration folds the bottom quarter into an “L” shape, turning the unit into a self-standing desk display.

Designer: Motorola (via Burnplate, David Kowalski/xeaks7)

The mechanism that makes it possible is the strap itself. Rather than housing a traditional watch face with a fixed display, almost the entire outer surface of the band carries a flexible screen. Worn, it reads like a standard wearable. Removed and unfolded, that same surface becomes the display area of a compact, landscape-oriented device. The pivot point is what separates this from simply being a wrist-wrap phone like earlier concepts.

That distinction matters because Nubia tried the wrist-phone idea back in 2018 with the Alpha, and the result was a fascinating but limited object. The Alpha wrapped a 4.01-inch OLED display around the upper wrist, delivering more screen real estate than any smartwatch before it, but the display stayed wrapped. It curved beautifully, could make calls, take photos, and run apps, but it never transformed into anything. The watch was the watch, full stop.

Nubia Alpha

Motorola’s patent reverses the logic. Rather than making a phone you can wear, it proposes a watch you can unfold. The distinction isn’t purely semantic. A device that starts as a watch and transforms into a handheld is solving a different problem than one that starts as a phone and straps to your wrist. The first carries a reasonable identity in both states; the second always feels like a compromise in one of them.

Nubia Alpha

The Nubia Alpha’s sticking point wasn’t the display, which was genuinely impressive and ahead of its time. It was the software, the battery, and the form factor’s limits in practice. Nubia never took the concept further after the original and a 2020 follow-up. The flexible display remained horizontal and wrist-bound, never taking the step toward becoming a genuinely detachable, self-sufficient screen.

Whether Motorola’s patented concept eventually ships as a real device is a separate question entirely. Patents are filed routinely without becoming products, and this one would require flexible display technology durable enough to handle daily wrist bending and regular unfolding, a battery that fits within strap dimensions, and software that transitions cleanly between modes. None of those are trivial problems.

Still, the direction of thinking has clearly shifted since 2018. Nubia asked what happens when a smartphone lives on your wrist. Motorola is asking what happens when a watch becomes a screen the moment you need one.

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A $150 Portable Espresso Machine That Heats Its Own Water in 135 Seconds

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Good coffee and travel have never really gotten along. At the hotel, there’s that sad drip machine on the counter producing something closer to warm brown water than an actual espresso. At the campsite, it’s instant granules and lukewarm hope. Even for commuters, the office coffee situation rarely inspires confidence. The demand for a proper cup of espresso away from home has always been real; the solutions, less so.

Fanttik’s Cafein 11 is the kind of portable coffee machine that takes that problem seriously. Rather than asking you to pack a separate kettle or hunt for an outlet, it handles heating, pressure, and extraction entirely on its own, running off a built-in rechargeable battery. Fanttik, a brand behind over 40 product design awards, including multiple iF Design Awards, didn’t approach this as a novelty gadget.

Designer: Fanttik

Weighing 825g, the Cafein 11 sits comfortably in the same mental category as a travel thermos, which makes packing it feel like a non-decision. It’s built from food-grade stainless steel, which keeps it durable and easy to clean, and its cylindrical silhouette slips neatly into a backpack without fuss. The machine doesn’t look or feel like a compromise, and that’s actually a harder design goal to hit than it sounds.

The most meaningful thing the Cafein 11 does is heat its own water. That might sound basic, but it’s the feature that separates a genuinely portable espresso machine from one that’s merely small. From room temperature, it reaches brewing heat in about 135 seconds, meaning a proper shot is ready before a campsite morning gets going, or before the next highway stretch begins. No kettle required.

On the extraction side, the Cafein 11 operates at 20 bar of pressure and runs an 8-second pre-infusion cycle before the main brew begins. Pre-infusion saturates the grounds before full pressure is applied, which generally leads to a more even extraction and a richer cup. It’s a detail that suggests Fanttik was thinking as much about what ends up in the cup as about how compact the machine could be.

What also helps is that the Cafein 11 works with both capsules and ground coffee. On a rushed office morning, a capsule is in and out in seconds with no measuring or cleanup required. On a slower weekend trip, freshly ground beans are equally welcome. Either way, the machine adapts to how you feel rather than asking you to commit to one kind of coffee ritual.

Charging works through USB-C, which sounds like a small detail but matters more in practice than you’d think. There’s no proprietary cable to track down or forget at home, since the cord you’re already using for your phone or laptop does the job. A triple 4,500 mAh battery configuration handles multiple shots per charge, so the machine doesn’t run out of steam faster than the average traveler’s patience does.

At $149.99, the Cafein 11 isn’t the cheapest addition to a bag, but the math shifts when you consider what it replaces: hunting for a decent café in unfamiliar places, hotel drip machines that have seen better days, and the persistent compromise between going somewhere and having a good espresso while you’re there. It’s the kind of thing you don’t realize you want until you’re somewhere without a decent cup.

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Someone Stuffed a Full Retro Console Inside an NES Controller for $17

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Most original NES controllers haven’t seen active duty in decades. They survive in storage bins and attic boxes, physically intact and perfectly functional as controllers, but with nothing left to plug them into. The consoles they were paired with have long since been replaced or decommissioned. The hardware was always well built, but the form factor has been sitting idle for years.

This mod changes the job description of that controller shell entirely. The electronics inside a standard NES-style gamepad were stripped out and replaced with a Wemos ESP32-S2 Mini development board, a 1.54-inch 240×240 TFT display, a MicroSD card module, a 500 mAh lithium-polymer battery, a charging board, a speaker, and a slide power switch. From the outside, it still looks exactly like an NES controller.

Designer: Logic Gate Labs

Choosing the right processor was essentially a geometry problem. A larger ESP32-S3 would have offered dual-core performance and enough PSRAM to keep entire game ROMs in memory, but it was too big to fit inside the housing. Smaller ESP32 variants without PSRAM lacked the memory for smooth emulation. The ESP32-S2 Mini landed in the narrow window between board size and processing capability that the build required.

Getting everything to fit required real surgery on the shell. Internal plastic supports had to be trimmed back to make room for the display, and new openings were drilled for the screen, USB charging port, MicroSD slot, speaker, and power switch. A bare copper wire serves as a central ground distribution rail, cutting the number of individual ground wires needed and making it possible to actually close the controller afterward.

On the software side, the device runs the Retro-Go emulator framework, compiled using ESP-IDF and CMake since the ESP32-S2 isn’t a standard Retro-Go target. The result handles a range of classic 8-bit systems comfortably. As a bonus, Doom runs via PrBoom-Go from a Freedoom WAD file loaded on the MicroSD card, managing somewhere between five and 15 frames per second depending on the scene.

The total build cost runs about $17 using common suppliers, or closer to $8 when sourcing directly from overseas markets. That puts the project well under the price of a single modern game release. Flip the power switch, select a ROM from the MicroSD card, and the screen loads games that once required a dedicated console and television setup. No additional hardware is needed.

What makes this more than a novelty is how it reconsiders a form factor most people already have muscle memory for. The D-pad clicks the same way it always did, and the A and B buttons carry the same spring. What changed is where the signal goes after the press. Instead of traveling to a console that no longer exists, the controller now processes it directly inside its own shell.

The Retro-Go framework is open source, the parts are widely available, and the NES controller shell is one of the most common pieces of vintage hardware still circulating through the secondhand market. Nothing about this build required specialized equipment or proprietary components. The total part list costs less than a single new game on any current platform and fits inside hardware that most people already own.

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Camera Batteries Go Missing, So This $70 One Tracks Itself

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Camera batteries are one of those accessories that photographers never think about until something goes wrong. They’re small enough to vanish into the bottom of a bag or a jacket pocket, common enough to own several of and regularly mix up, and important enough that losing one mid-trip can force an early stop to a shoot. The solution most people reach for is buying more of them, which only increases the number of things to keep track of.

The FALCAM TagBatt addresses the problem from inside the battery itself. Compatible with Sony’s NP-FZ100 form factor, it integrates Apple’s Find My tracking technology directly into the cell, so the battery carries its own location data wherever it goes. If it ends up left behind at a studio, a venue, or the seat pocket of a flight, the Find My app will flag it and show its last known position.

Designer: FALCAM

Because the tracker lives inside the battery rather than clipped to a camera strap or screwed into a cage mount, it’s considerably harder to spot. An opportunistic thief who grabs a camera bag and removes any obvious Bluetooth puck from the outside can’t strip out what’s already built into the power source. It’s the kind of discreet integration that external trackers can’t quite replicate, no matter how small they get.

The tracking isn’t the only thing the TagBatt changes about how a camera battery behaves. A built-in USB-C port lets it charge directly from any standard USB-C source, including a power bank or a travel adapter, without needing the dedicated Sony battery charger that typically takes up its own space in a kit bag. Pop it out of the camera, plug it in overnight, and it’s ready in the morning without routing around a charger at all.

Capacity comes in at 2,600mAh against the OEM Sony NP-FZ100’s 2,280mAh, which translates to a modest but real advantage per charge. An advanced decoding chip handles the communication with the camera’s internal systems so the body treats it as it would any genuine battery, with accurate charge-level reporting and none of the “non-genuine battery” warning messages that typically accompany third-party cells.

Compatibility covers a wide sweep of Sony’s current lineup, including the Alpha 7 series through the Alpha 7 V, the Alpha 9 series, the Alpha 6700, the FX3 and FX30, and the ZV-E1, among others. A Canon LP-E6 version is also available now, with Nikon EN-EL15 and Fujifilm NP-W235 versions confirmed to be in development.

At $69.99, the TagBatt costs more than a standard third-party replacement but considerably less than the Sony original, and it comes with two capabilities that the original simply doesn’t offer. For photographers who travel frequently, work in locations where gear occasionally goes astray, or are just tired of carrying a charger they’d rather leave at home, the trade-off makes a fairly straightforward case.

The post Camera Batteries Go Missing, So This $70 One Tracks Itself first appeared on Yanko Design.

A $2,699 Gaming PC That Doubles as a Display Case for Figurines

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Cables are the dirty secret of PC building. No matter how carefully chosen the components are, or how expensive the case gets, the tangle of power, data, and fan connectors that crisscross the interior of most gaming desktops eventually undermines every effort at a clean aesthetic. The glass side panel that was supposed to show off the build ends up framing a web of wires that even the most diligent cable manager struggles to fully tame.

The Maingear Zero treats that problem as the actual design brief. Its patented MG-RC, or Rear Connection, system moves every motherboard connector to the back and underside of the board, clearing the visible interior of cables entirely. Paired with a single, seamless 4 mm tempered glass curve that wraps the front and side of the chassis without a single seam or pillar, the result is a desktop that looks like it has nothing to hide, because it genuinely doesn’t.

Designer: Maingear

Seven fans work to keep the hardware running at full performance without drawing much attention to themselves. A mix of standard and reverse-blade units pushes cool air in through the front and exhausts it out through a 360mm AIO liquid cooler at the top, all following a single front-to-back airflow path. The reverse-blade intakes are specifically designed so the fan blades themselves don’t interrupt the view through the glass, which is a level of detail that most cases simply don’t think to address.

All RGB lighting inside the Zero is diffused rather than sourced from visible diodes, meaning the light saturates the interior without any glowing point of origin to break the illusion. The whole package measures 236mm wide, 421mm tall, and 460mm deep, which is more compact than a traditional mid-tower while still accommodating a full-sized GPU and the 360mm cooler overhead. It doesn’t look like a PC that compromised on size to achieve the aesthetic.

The hardware ceiling is genuinely high. Configurations top out at an NVIDIA GeForce RTX 5090 paired with an AMD Ryzen 7 9850X3D or Intel Core Ultra 7 270K Plus, 32GB of DDR5 memory, and a 2TB NVMe SSD. The chassis uses standardized mATX components throughout, with no proprietary parts, so future upgrades don’t require a trip back to the manufacturer.

Beyond the hardware, the Launch Edition adds a pair of tool-free snap-in display stands inside the chassis, one for figurines and one for brick builds. The stands sit inside the case floor where passive airflow keeps whatever’s displayed inside dust-free. It’s the kind of feature that turns the interior from a hardware showcase into something closer to a display cabinet, which only makes sense given how much effort went into eliminating everything else that wasn’t worth looking at.

Every system is hand-built in New Jersey and ships with no bloatware pre-installed. Pricing starts at $2,699 for the base configuration, with the top-end Launch Edition Champion reaching $6,799. Built around the premise that nothing inside should be hidden, the Zero demonstrates how the best-looking gaming PC doesn’t have to sacrifice anything to get there.

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A Coin-Sized Disc Just Reinvented the Multi-Tool Nobody Could Fix

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The multi-tool has been around long enough that most people have developed a frustrated relationship with it. You carry one because having a blade, a screwdriver, and a bottle opener in one place sounds practical, and then you grumble when you actually need something. Getting to the right tool means prying at a tightly packed frame with both hands, and that dynamic hasn’t changed much in decades.

GEO, designed by Invento Design, takes issue with that familiar frustration. Rather than folding tools out from a layered frame, it uses a patent-pending rotating disc mechanism that cycles through five tools, exposing each one through a single opening. It’s a deceptively simple reframing of an old idea, and one that makes you wonder why nobody had taken this approach before.

Designer: Francisco Molina (Founder of Invento Design)

Click Here to Buy Now: $45 $70 (36% off). Hurry, only a few left!

The way it works is fairly intuitive. Outer index levers let you rotate the internal mechanism until the tool you want lines up with the access window. A sliding lock then holds the selected tool in position before you start. The whole operation happens in one hand, without setting anything down first or needing a second hand to hold the frame steady.

The five tools cover a surprisingly practical range of everyday needs. You’d reach for the blade and scraper when a label refuses to peel cleanly, the box opener when a taped-up package isn’t cooperating, the bottle opener at the end of a long day, the flathead driver for a loose screw or a stubborn paint can lid, and the string cutter when scissors aren’t anywhere nearby.

Carrying something with a blade in your pocket raises the obvious question of what happens when it isn’t in use. GEO handles this with a dedicated safety mode, a neutral rotational position where no edges are exposed. The sliding lock serves a separate purpose, preventing the mechanism from turning mid-task. Together, they make it safe enough to pocket, clip to a belt, or drop into a bag.

The form factor makes carrying it a fairly easy decision. At 53.5mm in diameter and only 8.7mm deep, GEO lands somewhere between a large coin and a watch face. The integrated belt clip adds some depth but keeps the total thickness under 15mm. It fits in a jeans pocket, clips to a gear bag, or disappears into a drawer without demanding much space.

There’s something worth noting about how it actually feels to use, too. The rotation isn’t purely functional but also incredibly satisfying. Each position clicks into place with enough tactile feedback that you know exactly where you’ve landed, and the smooth lever action makes it oddly enjoyable to cycle through even when nothing needs doing. It tends to stay in your hand a bit longer than the task requires.

The construction does a good job of reinforcing the premise. GEO’s tool body is milled from 440C stainless steel hardened to 57–59 HRC, placing it in the same material territory as quality kitchen blades. Cover panels come CNC-machined from either 6061-T6 aluminum or Grade 5 titanium, with internal hardware in 304 stainless steel throughout, a quietly serious specification for something this compact.

GEO isn’t meant to replace the full-size tools sitting in workshop drawers or on a fully loaded belt. It’s better understood as something for the other moments: the stubborn tape, the loose screw, the cord that needs a clean cut. Its compact, circular form makes it easy enough to keep close that reaching for it becomes the natural first move rather than an afterthought.

Click Here to Buy Now: $45 $70 (36% off). Hurry, only a few left!

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Chuwi Just Put a Real Performance Chip in a $469 Tote-Bag Laptop

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Mini laptops have never quite shaken the reputation of being underpowered novelties. The appeal is undeniable: a real Windows laptop that slips into a small bag is genuinely useful for anyone who spends their days moving between locations. But the processors that typically power these tiny machines have struggled to keep up with even moderate workloads, which turns the form factor’s biggest selling point into a quiet disappointment.

The Chuwi MiniBook X U300 addresses that by pairing the same compact, 360-degree convertible format with Intel’s U300 processor, a 13th-generation Raptor Lake chip with five cores and a dedicated performance core at its center. That shift from the pure efficiency cores found in N100 and N150 machines delivers stronger single-core speed and better multitasking headroom, without meaningfully adding to the machine’s size, weight, or thermal footprint.

Designer: Chuwi

The 10.51-inch WUXGA display packs a 1920×1200 resolution into the compact chassis, with a 16:10 aspect ratio and 100% sRGB coverage. At 300 nits, it handles well-lit rooms comfortably and stays readable during extended sessions. The in-cell IPS touchscreen sits behind ultra-thin bezels, and the 360-degree hinge lets it shift between laptop, tablet, tent, and stand modes to suit whatever task is on the table.

That four-mode flexibility is where the touchscreen earns its keep most convincingly. In tablet mode, the screen becomes the only interface you need, making it natural for note-taking on the go. Flip it back partway for tent or stand mode during a presentation, and it becomes a display you can position toward an audience without spinning a full laptop around.

16GB of LPDDR4X memory and a 512GB PCIe SSD handle everyday tasks without hesitation, and the M.2 slot accepts PCIe 4.0 and SATA III drives if you decide to upgrade later. The Intel UHD Graphics runs 48 execution units, double the count found in earlier MiniBook X versions, which makes a noticeable difference for smooth 4K video playback and lighter creative workloads without switching to a dedicated card, or at least on paper.

Both USB-C ports are full-featured, handling charging, data transfer, and external display output from the same two connections. Unfortunately, there’s no mention of Thunderbolt compliance. A 3.5mm audio jack covers wired headphones, Wi-Fi 6 and Bluetooth 5.2 take care of wireless, and an active cooling system keeps temperatures under sustained loads without causing distracting fan noise. A 2MP front-facing webcam handles video calls, which is about what you’d expect from a machine this compact.

Unlike earlier MiniBook X models that shipped with Windows 11 Home, the U300 version comes pre-installed with Windows 11 Pro. That’s not a minor footnote: it means BitLocker encryption, remote desktop access, and other tools that the Home edition locks away are available right out of the box. For anyone who travels with sensitive documents or manages devices remotely, it’s a practical upgrade that earlier models didn’t include.

The whole package measures 244mm x 166.4mm x 17.2mm and tapers to 11mm at its thinnest, all wrapped in an aerospace-grade aluminum alloy unibody shell. At 920 grams, it disappears into a tote bag or slides under a seat without much thought. The 28.88 Wh battery charges at up to 36 W via USB-C, and the full-layout keyboard completes a package priced at $469.

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Khadas Just Made a $199 Amp That Snaps to Your iPhone Like a Wallet

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Portable audio has long been a game of compromise. DAC dongles give you a modest step up from your phone’s built-in output, but connect anything more demanding than a pair of featherweight earbuds, and they start to run out of steam. Desktop amplifiers solve the power problem but chain you to a desk, a power outlet, and a bag heavy enough to make you think twice about bringing them anywhere.

The Khadas Tea Pro sits firmly in the space between those two options, offering enough amplification for serious headphones without the bulk or the cable tangle. At 7.85 mm thin and 96 grams, it genuinely disappears into a pocket, and its magnetic back panel snaps directly onto any iPhone 12 or later, turning your phone and DAC into a single, tidy unit that doesn’t need a pouch of its own.

Designer: Khadas

The connection is handled by 19 N56SH magnets, holding the Tea Pro against the back of the phone without straps or brackets. Android users and those with older iPhones can attach a magnetic ring to their case and get the same result. A premium wear-resistant leather panel covers the back, giving the device a tactile quality that’s a step removed from the usual plastic-and-aluminum DAC dongle aesthetic.

Inside, an ESS ES9039Q2M DAC chip works alongside an XMOS XU316 USB bridge for wired playback, delivering PCM up to 768kHz at 32-bit and DSD up to 512 native. The signal chain runs through TI OPA1612 op-amps and Ricore RT6863 amplifier chips, achieving a total harmonic distortion of -118 dB, a specification more at home in a studio rack than a 96-gram device that slips into a shirt pocket.

Both a 4.4mm balanced and a 3.5mm unbalanced output are on board, with the balanced jack putting out 165mW into 33 ohms and the unbalanced delivering 120mW. The Tea Pro also manages 41.67mW into 600 ohms, meaning even demanding full-size headphones with high impedance get a fully powered signal rather than an underpowered afterthought by a device that’s trying too hard to be small.

Wireless connectivity comes via a Qualcomm QCC5181 Bluetooth 5.4 chip that covers SBC, AAC, aptX, aptX Adaptive, aptX HD, and LDAC, keeping the Tea Pro compatible with virtually any device. The Khadas app adds a feature-rich equalizer that works over Bluetooth, letting you shape the sound to your taste without touching the hardware. There’s also a built-in microphone, so taking a call doesn’t require unplugging anything.

A 2100mAh battery supports up to 11 hours of wireless playback or just over eight hours wired, enough to outlast a full day of commuting without reaching for a charger. A 0.95-inch AMOLED color display on the front keeps output format, volume, and battery status visible at a glance, while independent power management keeps the battery from draining your phone when you aren’t connected to a power source.

Volume control runs through a dedicated analog chip rather than a software slider, keeping noise out of the signal path. The Tea Pro is priced at $199, which puts it well above the typical dongle but far below a battery-powered desktop DAC/amp that requires its own carrying case. For a device that fits in a jacket pocket and holds itself to the back of your phone, that’s a narrowing of the gap that’s hard to argue with.

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