---
product_id: 536278729
title: "SayoDevice OSU O3C Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.…"
brand: "btxetuel"
price: "57160CFA"
currency: XOF
in_stock: true
reviews_count: 13
category: "Btxetuel"
url: https://www.desertcart.sn/products/536278729-sayodevice-osu-o3c-rapid-trigger-hall-switches-magnetic-linear-switches
store_origin: SN
region: Senegal
---

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

**Brand:** btxetuel
**Price:** 57160CFA
**Availability:** ✅ In Stock

## Summary

> 🎯 Master your workflow with precision and flair!

## Quick Answers

- **What is this?** SayoDevice OSU O3C 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?** 57160CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/536278729-sayodevice-osu-o3c-rapid-trigger-hall-switches-magnetic-linear-switches)

## 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

- • **Vibrant IPS Display:** 0.96-inch color screen with 160x80 resolution lets you track key usage, customize text, and stay informed at a glance.
- • **Customizable Knob Control:** Assign any function to the knob—scroll playlists, adjust volume, or trigger macros for seamless multitasking.
- • **Modular Magnetic Switches:** Easily swap and calibrate any Hall magnetic switch with a simple click—customize your tactile feel on the fly.
- • **Macro & Shortcut Powerhouse:** Built-in copy-paste, shortcut, and macro support with hot-swappable keys to turbocharge your productivity.
- • **Lightning-Fast 8000Hz Polling:** Experience near-instantaneous input response for flawless workflow and gaming precision.

## Overview

The SayoDevice OSU O3C is a compact, high-performance mini keypad featuring 3 Hall magnetic linear switches, a customizable knob, and a vibrant 0.96-inch IPS color screen. With an ultra-fast 8000Hz polling rate via USB Type-C, hot-swappable switches, and programmable macros, it’s designed for professionals and gamers seeking rapid, reliable input and personalized control in a sleek, portable form factor.

## Description

desertcart.com: BTXETUEL SayoDevice OSU O3C 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 | B0C3YYDY8R |
| Best Sellers Rank | #6 in Computer Keyboards |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,637) |
| Date First Available | April 30, 2023 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.6 ounces |
| Item model number | Sayodevice-O3C |
| Manufacturer | BTXETUEL |
| Product Dimensions | 2.52 x 2.01 x 1.5 inches |

## Product Details

- **Brand:** BTXETUEL
- **Color:** white
- **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 OSU O3C 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/61-zY-vOjGL.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 OSU O3C Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.…
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**Shop now:** [https://www.desertcart.sn/products/536278729-sayodevice-osu-o3c-rapid-trigger-hall-switches-magnetic-linear-switches](https://www.desertcart.sn/products/536278729-sayodevice-osu-o3c-rapid-trigger-hall-switches-magnetic-linear-switches)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-10*