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microByte

microByte by Byte-Mix Labs, priced around $45, Micro Horizontal retro handheld, running Open Source Proprietary, powered by Espressif Systems ESP32-WROVER E

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Specifications

55 of 65 catalogued fields are filled in for this handheld. Anything the catalogue has not recorded is labelled Not documented rather than estimated.

Identity

Brand
Byte-Mix Labs
Release Date
2021 / 07
Price
$45 - $60
Pricing category
$050 - $75

Form factor & shell

Form Factor
Micro Horizontal
Shell material
Plastic
Colors
Transparent, White, Yellow, Blue
Dimensions
78 mm x 40 mm x 17 mm
Weight
Not documented
Cooling
Not documented

Operating system

Operating System
Open Source Proprietary

Performance

System on a Chip
Espressif Systems ESP32-WROVER E
CPU
Tensilica Xtensa LX6
CPU cores
2 Cores
CPU threads
2 Threads
CPU clock speed
240 MHz
Architecture
Xtensa
GPU
Not documented
GPU cores
Not documented
GPU clock speed
Not documented
RAM
8 MB
Performance rating
2/10 · C-

Display

Screen size
1.3 inch
Screen type
IPS
Resolution
240 x 240
PPI
261.09 PPI
Aspect ratio
1:1
Screen refresh rate
60 Hz
Screen lens
None (Protector only)

Battery & charging

Battery
500 mAh
Charge port
USB-C
Storage
Internal 16 MB & External MicroSD

Controls

D-pad
Cross Upper placement
Analogs
Not documented
Face buttons
4 Buttons
Shoulder buttons
L1, R1
Extra buttons
Menu
Rumble
Not documented
Volume control
Menu
Brightness control
Menu
Power control
Switch

Connectivity

Connectivity
Bluetooth, WiFi
Video output
Not documented
Audio output
Not documented
Speaker
Single Mono Front facing
Sensors
Not documented

Emulation grades

Game Boy
A
Nintendo Entertainment System
A
Sega Genesis
F
Game Boy Advance
F
Super Nintendo
D
PlayStation 1
F
Nintendo DS
F
Nintendo 64
F
Dreamcast
F
PSP
F
Sega Saturn
F
GameCube
F
Wii
F
Nintendo 3DS
F
PlayStation 2
F
Wii U
F
Nintendo Switch
F
PlayStation 3
F
Emulation limit
GameBoy, GameBoy Color, NES, GameGear, Sega Master-System, ScummVM, & proof of concept SNES emulator

Where To Buy

Marketplace rows use affiliate-friendly links where available. Average price stays based on the console database, not live per-store pricing.

Store Price
Amazon
Amazon search results
$45 - $60
AliExpress
AliExpress search results
$45 - $60
Alibaba
Alibaba search results
$45 - $60

Affiliate disclosure and terms are linked in the footer.

microByte review: the retro handheld that could quietly steal your shortlist

Budget shortlist candidate

This is a data-grounded review of microByte, built around the hardware, the compatibility grades, the price band, and the devices most likely to tempt you away from it.

microByte looks most interesting when you treat it as a specific answer to a specific kind of retro player, not as a mythical one-device-for-everyone machine.

Best For

  • Shoppers who want a focused retro machine with a clear role.
  • Best fit for Game Boy (A) and NES (A).
  • Designed around a micro horizontal handheld shape.

Why It Hooks You

  • Overall rating sits at 2/10 · C-.
  • IPS display story helps define the vibe.
  • Current price context is $45 - $60.

Spec Snapshot

Before the review gets opinionated, here is the clean spec picture. This table is the reality check that keeps the rest of the write-up grounded.

CategoryDetails
BrandByte-Mix Labs
Release2021 / 07
Form factorMicro Horizontal
Operating systemOpen Source Proprietary
Overall performance2/10 · C-
SoCEspressif Systems ESP32-WROVER E
CPUTensilica Xtensa LX6, 2 Cores, and 240 MHz
RAM8 MB
Display1.3 inch, IPS, and 60 Hz
Resolution240 x 240, 1:1, and 261.09 PPI
Battery and cooling500 mAh
Storage and I/OInternal 16 MB & External MicroSD and USB-C
Price$45 - $60

If this review pulls you in, the fastest next rabbit hole is GameBox Mini and TRIMUI Model S / PowKiddy A66, because those are the products most likely to clarify whether microByte is your real match or just your current curiosity.

Screen, Controls, and First-Contact Feel

microByte pairs the hardware with 1.3 inch, IPS, 60 Hz, 240 x 240, 1:1, and 261.09 PPI. That is the kind of detail stack retro buyers should linger on, because a handheld can be technically capable and still feel wrong if the aspect ratio, sharpness, and scaling story are off. The screen protection is listed as None (Protector only), a small clue that often hints at how polished or rough the front face might feel in daily use.

The controls are described with Cross Upper placement, 4 Buttons, L1, R1, and Menu. That matters more than many spec sheets admit, because the difference between a fun handheld and a fatiguing one often shows up in the D-pad, shoulder shape, and how naturally the thumbs settle into place. This is where a retro handheld stops being abstract and starts becoming a piece of physical furniture for your hands.

The 1:1 aspect ratio adds another layer to the story. The right screen is not always the fanciest one. Sometimes it is the one that makes your core library look natural instead of merely possible.

The Buying Context

microByte is currently tracked around $45 - $60 and lands in the $50 - $75 pricing band. This category is ruthless about value perception. A handheld can be beloved at one price and impossible to defend at another.

The spreadsheet points shoppers toward Crowd Supply for availability. That matters because storefront quality, shipping confidence, and after-sales expectations often shape the emotional experience of a purchase before the box even arrives.

Every handheld makes tradeoffs somewhere, even when the spreadsheet leaves them unstated. Good buying advice is not about pretending the downsides do not exist; it is about deciding whether the downsides land in the part of the experience you personally care about.

Who This Handheld Is Really For

microByte is best framed as a machine for shoppers who want a focused retro machine with a clear role. That may sound obvious, but it is the difference between buying a handheld that becomes a habit and one that turns into a drawer resident.

The micro horizontal shape matters here because it changes comfort, portability, and the kind of nostalgia the device leans into. The fact that it runs Open Source Proprietary also affects what kind of setup work, app ecosystem, and tinkering ceiling buyers should expect.

The release timing listed as 2021 / 07 helps place it in context. A handheld can be exciting because it is current, but it can also be relevant because it still makes sense at today's street price.

The Consoles Most Likely To Pull You Away

ConsoleAnglePricePerformanceWhy Click Through
GameBox Mini
Game Case
Better Value$38 (Build kit) $45 (Console) $83 (Metal)2/10 · C-micro horizontal layout, tracked around $38 (Build kit) $45 (Console) $83 (Metal), rated 2/10 · C-.
More Powerful$504/10 · C+micro horizontal layout, tracked around $50, rated 4/10 · C+.
Arduboy FX
Arduboy, Seeed Studio
Closest Match$54<2/10 · C-tracked around $54, rated <2/10 · C-.
PocketStar
Pocuter
Closest Match$572/10 · C-tracked around $57, rated 2/10 · C-.

microByte becomes much easier to judge once it is forced into the same room as GameBox Mini, TRIMUI Model S / PowKiddy A66, and Arduboy FX. This is where a vague impression turns into a real buying decision, because each nearby rival throws a different kind of pressure on the table.

microByte versus GameBox Mini is interesting because better value is the obvious angle. If microByte feels almost right but not quite, GameBox Mini is the sort of nearby detour that can completely change the shortlist. GameBox Mini is tracked around $38 (Build kit) $45 (Console) $83 (Metal). Its overall rating is 2/10 · C-. microByte versus TRIMUI Model S / PowKiddy A66 is interesting because more powerful is the obvious angle. That said, if microByte feels almost right but not quite, TRIMUI Model S / PowKiddy A66 is the sort of nearby detour that can completely change the shortlist. TRIMUI Model S / PowKiddy A66 is tracked around $50. More importantly, its overall rating is 4/10 · C+. microByte versus Arduboy FX is interesting because closest match is the obvious angle. Compared with microByte, Arduboy FX makes the more obvious play for readers who care about closest match. Arduboy FX is tracked around $54. More importantly, its overall rating is <2/10 · C-.

The real benefit of this comparison set is not that it declares a single winner. It reveals which compromise profile feels least annoying over time.

Daily Use, Portability, and The Physical Reality

microByte is described with battery: 500 mAh. Those are not background details; they shape noise, comfort, endurance, and whether the device feels eager to be used or mildly exhausting to keep fed. Audio is covered by Single Mono Front facing, which matters for sofa play, travel, and late-night sessions when speakers and headphone output can quietly make or break the experience.

Physically, the device is outlined by 78 mm x 40 mm x 17 mm, Plastic, and Transparent, White, Yellow, Blue. This is where you start picturing whether it is truly pocketable, only jacket-safe, or clearly a bag companion. Buyers often underestimate how much daily affection is driven by the little things: where the ports sit, how the shell feels, and whether the handheld seems built for real use instead of product photos.

The practical I/O story includes Internal 16 MB & External MicroSD, Bluetooth, WiFi, and USB-C. These details matter because many retro buyers are also collectors, tinkerers, dock-and-TV players, or people with large libraries that need sensible storage and transfer options.

The Performance Story

The heart of the machine is the Espressif Systems ESP32-WROVER E. CPU duties are handled by Tensilica Xtensa LX6. Memory is listed at 8 MB. The sheet rates the overall performance at 2/10 · C-, or roughly 1 on the normalized scale.

The CPU side is described with 2 Cores, 2 Threads, and 240 MHz, which is more useful than brand names alone because it hints at how much headroom the handheld should have before emulator tuning gets annoying. On the graphics side, Xtensa helps sketch the ceiling for heavier systems, upscale experiments, and shader curiosity.

microByte looks strongest with Game Boy (A) and NES (A), which gives the review something more tangible than a vague "good for retro" verdict. The listed emulation limit, GameBoy, GameBoy Color, NES, GameGear, Sega Master-System, ScummVM, & proof of concept SNES emulator, is the kind of line buyers should actually respect because it tells you where the romance ends and the compromise begins.

If there is a weakness here, it is not necessarily fatal. It simply means the smartest pitch for this handheld is often the honest one: let it own the systems it handles confidently and do not pretend it is built to brute-force every wish list.

Where The Recommendation Lands

microByte leaves the strongest impression when you frame it as a recommendation for shoppers who want a focused retro machine with a clear role. That is also what turns the buying advice from noise into something useful.

Budget shortlist candidate is not just a catchy label here. It is the cleanest shorthand for why this device deserves attention. The compatibility profile around Game Boy (A) and NES (A) gives it a concrete identity.

If the device sparks your interest, the smartest next click is usually GameBox Mini, followed by TRIMUI Model S / PowKiddy A66, because that is where the shape of the market around it comes into focus. That is what a good review should do: not close the conversation, but sharpen the next choice.

Playable Games

Games shown here match systems this handheld can run at a B grade or better.

Urban Champion
Urban Champion

1984 •Nintendo 3DS, Nintendo Entertainment System, Wii, Wii U

Urban Champion is a 2-player fighting game produced by Nintendo in 1984. It was inspired by the 1984 Game & Watch title, Boxing (also known as Punch-O...

Usual John
Usual John

Unknown year •Nintendo Entertainment System

Usual John is a retro action shooter, in the style of old dandy games and NES.The game contains several different locations and many kinds of enemies,...

Vegas Dream
Vegas Dream

1988 •Nintendo Entertainment System

Bring a casino to your living room! Up to four high-rollers can play Blackjack, Roulette, Keno, or Slot Machines. Odds are you’re going to love Vegas...

microByte — Frequently Asked Questions

Every answer is built from this console's own catalogue record. Where the record is empty, the answer says so rather than guessing.

Is the microByte an official Byte-Mix Labs product?

The console database lists the microByte under the brand Byte-Mix Labs. It does not document whether the microByte is an officially licensed Byte-Mix Labs product.

When was the microByte released, and what does it cost?

The console database lists the release date as 2021 / 07 and the price as $45 - $60 for the microByte.

What chipset and how much RAM does the microByte have?

The console database lists the system on a chip as Espressif Systems ESP32-WROVER E, the CPU as Tensilica Xtensa LX6, and the RAM as 8 MB for the microByte.

What are the microByte's dimensions, weight and battery?

The console database lists the dimensions as 78 mm x 40 mm x 17 mm and the battery as 500 mAh for the microByte. The weight is not documented in the console database.

Which systems can the microByte emulate well?

The console database gives the microByte a grade of B+ or better for 2 systems: Game Boy and Nintendo Entertainment System.

Where can I buy the microByte?

The marketplace rows shown for the microByte are search and marketplace links, not a verified live price feed. The console database does not verify live prices or stock, so check the linked marketplace listings for current availability.

Sources & Editorial Notes

  • Specifications are taken from this handheld's entry in the Lost In Consoles catalogue, which is compiled from manufacturer documentation and public filings. How we compile device data.
  • Empty fields are published as Not documented. Nothing on this page is estimated, inferred or carried over from a similar device.
  • Spotted an error? Send a correction.