---
product_id: 541316486
title: "SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.…"
brand: "btxetuel"
price: "NT$2745"
currency: TWD
in_stock: true
reviews_count: 8
category: "Btxetuel"
url: https://www.desertcart.tw/products/541316486-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear
store_origin: TW
region: Taiwan
---

# 8000Hz high-speed USB-C 3 Hall magnetic linear switches 0.96-inch IPS color screen SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.…

**Brand:** btxetuel
**Price:** NT$2745
**Availability:** ✅ In Stock

## Summary

> 🎮 Elevate your command center with the SayoDevice O3C — where precision meets personalization.

## Quick Answers

- **What is this?** SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… by btxetuel
- **How much does it cost?** NT$2745 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/541316486-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear)

## Best For

- btxetuel enthusiasts

## Why This Product

- Trusted btxetuel brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Knob Control:** Assign any function to the tactile knob—scroll playlists, adjust volume, or trigger macros effortlessly.
- • **Customizable IPS Display:** Personalize your workflow with a crisp 0.96-inch IPS color screen that shows key stats and custom text.
- • **Precision Magnetic Switches:** Experience ultra-responsive typing with 3 Hall magnetic linear switches designed for durability and speed.
- • **Effortless Hot-Swap Calibration:** Swap switches on the fly and calibrate in seconds to keep your setup fresh and flawless.
- • **Plug & Play High-Speed Connectivity:** Seamlessly connect via USB-C with blazing 8000Hz polling rate for lag-free performance.

## Overview

The SayoDevice O3C Black Keyboard is a compact, high-performance keypad featuring 3 Hall magnetic linear switches, a customizable 0.96-inch IPS color screen, and a multifunctional knob. With USB-C connectivity at an 8000Hz polling rate, hot-swappable switches, and a sleek black design, it’s engineered for gamers and professionals seeking speed, customization, and durability in a minimalist form factor.

## Description

desertcart.com: BTXETUEL SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… : Electronics

Review: Value for money - Very well made. Nice design and functionality
Review: AWESOME FOR GD - ive been using this for a couple months and no issues, ive gotten 100k clicks on the middle key and it still works great. the rapid trigger is super responsive and perfect for gd.

## Features

- 【O3C OSU SayoDevice Keyboard】This keyboard with 3 Hall magnetic linear switches, 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.
- 【NOTICE】Sometimes, the keyboard needs to do "CALIBRATION" ( The steps are shown in the figure ) before use for the first time or after firmware upgrade.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C5JTVQNN |
| Additional Features | Magnetic |
| Antenna Location | Gaming |
| Best Sellers Rank | #8 in Computer Keyboards |
| Brand | BTXETUEL |
| Button Quantity | 3 |
| Color | black |
| Compatible Devices | Laptop, Mac, PC |
| Connectivity Technology | USB-C |
| Customer Reviews | 4.7 out of 5 stars 1,681 Reviews |
| Enclosure Material | Plastic Or Metal |
| Hand Orientation | Ambidextrous |
| Item Dimensions L x W x H | 2.52"L x 2.01"W x 1.5"H |
| Keyboard Backlighting Color Support | RGB |
| Keyboard Description | Gaming |
| Keyboard Layout | QWERTY |
| Manufacturer | BTXETUEL |
| Model Name | Sayodevice-O3C |
| Model Number | Sayodevice-O3C |
| Number of Keys | 3 |
| Power Source | USB power |
| Recommended Uses For Product | Gaming |
| Special Feature | Magnetic |
| Style Name | Game |
| Switch Type | Linear |
| Unit Count | 1.0 Count |
| Warranty Description | 2 YEAR |

## Product Details

- **Brand:** BTXETUEL
- **Color:** black
- **Compatible Devices:** Laptop, Mac, PC
- **Connectivity Technology:** USB-C
- **Keyboard Description:** Gaming
- **Keyboard backlighting color support:** RGB
- **Product Dimensions:** 2.52"L x 2.01"W x 1.5"H
- **Recommended Uses For Product:** Gaming
- **Special Feature:** Magnetic
- **Style:** Game

## Images

![SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… - Image 1](https://m.media-amazon.com/images/I/81JFFsJ-HyL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Value for money
*by N***S on March 3, 2026*

Very well made. Nice design and functionality

### ⭐⭐⭐⭐⭐ AWESOME FOR GD
*by B***Q on January 26, 2026*

ive been using this for a couple months and no issues, ive gotten 100k clicks on the middle key and it still works great. the rapid trigger is super responsive and perfect for gd.

### ⭐⭐⭐⭐⭐ Great for gd
*by M***R on February 20, 2026*

Great for geometry dash, super satisfying to fiddle with. I went from nine circles being my hardest to beating denouement and getting 71% on acu. All in one month btw.

## Frequently Bought Together

- BTXETUEL SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.…
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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-20*