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BTXETUEL SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad (White)
BTXETUEL

BTXETUEL SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad (White)

Bottom line: The BTXETUEL SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Switches: 8000Hz USB 2.0 polling for near-instant osu! key registration; main trade-off: only 4+4 keys - too small to replace a full keyboard.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For keyboards, mice, headsets and other PC peripherals, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 8000Hz USB 2.0 polling for near-instant osu! key registration
  • ✓ 4 Hall-effect magnetic linear switches with rapid trigger actuation
  • ✓ 0.96-inch 160x80 IPS screen shows live key range and press counts
  • ✓ Hot-swap socket accepts any Hall magnetic switch, calibrated in one click
  • ✓ Programmable knob handles volume, song-list scrolling, or any bound key

Cons

  • ✗ Only 4+4 keys - too small to replace a full keyboard
  • ✗ Hall switches limit swaps to magnetic stems, not standard MX switches
  • ✗ Custom screen text is capped at the first line only
  • ✗ Listing omits keycap material, weight, and cable length details

Manufacturer description

1.【Replaceable Switches】Supports any Hall magnetic Switches, with a simple click for calibration.2.【IPS color Screen】With 0.96 inch IPS color screen,visible key range and button counting.3.【Custom Screen】The first line of text on the screen can be customized, such as writing your own ID.4.【Custom Knob】The knob can also be set with any key, such as to scroll through the song list.5.【O3C++ OSU SayoDevice Keyboard】This keyboard with 4 magnetic linear switches,4+4 keys keyboard, 1 knob, 1 screen! TYPE-C,USB 2.0 high-speed 8000HZ.

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SpecPicks Verdict

SpecPicks scored BTXETUEL SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Switches… using a rating × review-volume × price-fit model applied to published specs and reviews across the gaming peripherals category. BTXETUEL's gaming peripherals lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for gaming peripherals of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 【O3C++ OSU SayoDevice Keyboard】This keyboard with 4 Hall magnetic linear switches,4+4 keys keyboard, 1 knob, 1 screen! TYPE-C,USB 2.0 high-speed 8000HZ.
  • 【Replaceable Switches】Supports any Hall magnetic Switches, with a simple click for calibration.
  • 【IPS color Screen】With 0.96 inch IPS color screen,160*80 Resolution, visible key range and button counting.
  • 【Custom Screen】The first line of text on the screen can be customized, such as writing your own ID.
  • 【Custom Knob】The knob can also be set with any key, such as to scroll through the song list.

Full Specifications

BrandBTXETUEL
ColorWhite
StyleContemporary
ThemeGaming
Style NameContemporary
Unit Count1 Count
Switch TypeLinear
ConnectivityUSB
Built-In MediaUSB Cable
Number of Keys4
Button Quantity4
Keyboard LayoutQWERTY
Number of Items1
Special Feature[POSSIBLE_SPECIAL_FEATURES] Replaceable Hall magnetic switches, IPS color screen, customizable screen, customizable knob, compatibility with any Hall magnetic switches
Antenna LocationGaming
Hand OrientationAmbidextrous
Compatible DevicesPC Laptop Desktop
Number of Sections1
Additional Features[POSSIBLE_SPECIAL_FEATURES] Replaceable Hall magnetic switches, IPS color screen, customizable screen, customizable knob, compatibility with any Hall magnetic switches
Included ComponentsUSB Cable

Ready to buy?

BTXETUEL SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad (White) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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BTXETUEL SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad (White)
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