---
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: "10321 kr"
currency: ISK
in_stock: true
reviews_count: 8
category: "Btxetuel"
url: https://www.desertcart.is/products/536278729-sayodevice-osu-o3c-rapid-trigger-hall-switches-magnetic-linear-switches
store_origin: IS
region: Iceland
---

# 8000Hz ultra-fast polling rate 3 Hall magnetic linear switches, hot-swappable 0.96-inch IPS color screen, 160x80 res 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:** 10321 kr
**Availability:** ✅ In Stock

## Summary

> 🎮 Elevate your command center with precision, speed, and style!

## 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?** 10321 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/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

- • **Magnetic Linear Switches:** Hot-swap any Hall magnetic switch with a simple click—tailor your tactile feel on the fly.
- • **Vibrant IPS Color Display:** Customize your workflow with a crisp 0.96-inch screen showing key stats and personalized text.
- • **Multifunctional Knob Control:** Assign any function to the knob, from volume to playlist scrolling, for seamless multitasking.
- • **Lightning-Fast 8000Hz Polling:** Experience near-instantaneous input response for flawless gaming and productivity.
- • **Plug-and-Play USB-C Connectivity:** Effortless setup with high-speed USB 2.0 Type-C ensures compatibility across laptops, Macs, and PCs.

## Overview

The SayoDevice OSU O3C is a compact, high-performance mini keypad designed for gamers and pros alike. Featuring 3 hot-swappable Hall magnetic linear switches, a customizable 0.96-inch IPS color screen, and a multifunctional knob, it delivers ultra-responsive 8000Hz polling via USB-C. Perfect for rapid triggers, macros, and shortcuts, this device blends cutting-edge tech with sleek portability to enhance your workflow and gaming setup.

## 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: Customization,Ease of use,Reactivity - Amazing 8000 hz polling rate the reactivity is amazing especially for games like geometry dash/Osu it functions very well and has a volume knob very useful if you have a smaller keyboard without normal sound function keys, its easy to connect and was pretty comparable off the start.
Review: Wonderful product - slow shipping. - I almost gave this product only 4 stars because in the world of desertcart, this item ships SLOW. Just be prepared for that. As far as actual quality - worth the wait. Exactly what my son was looking for. He now uses it daily. Functions exactly as it should and has enhanced his game play.

## 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 |
| Additional Features | Magnetic |
| Antenna Location | Gaming |
| Best Sellers Rank | #5 in Computer Keyboards |
| Brand | BTXETUEL |
| Built-In Media | '3 Hall magnetic linear switches', '1 knob', '1 screen' |
| Button Quantity | 3 |
| Color | white |
| Compatible Devices | Laptop, Mac, PC |
| Connectivity Technology | USB-C |
| Customer Reviews | 4.7 out of 5 stars 1,342 Reviews |
| Enclosure Material | Plastic |
| 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 | O3C OSU SayoDevice Keyboard |
| Model Number | Sayodevice-O3C |
| Number of Keys | 3 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Gaming |
| Series Number | 3 |
| Special Feature | Magnetic |
| Style Name | Game |
| Switch Type | Linear |
| Unit Count | 1.0 Count |
| Warranty Description | 2 YEAR |

## 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

### ⭐⭐⭐⭐⭐ Customization,Ease of use,Reactivity
*by L***A on October 10, 2025*

Amazing 8000 hz polling rate the reactivity is amazing especially for games like geometry dash/Osu it functions very well and has a volume knob very useful if you have a smaller keyboard without normal sound function keys, its easy to connect and was pretty comparable off the start.

### ⭐⭐⭐⭐⭐ Wonderful product - slow shipping.
*by P***R on December 29, 2025*

I almost gave this product only 4 stars because in the world of Amazon, this item ships SLOW. Just be prepared for that. As far as actual quality - worth the wait. Exactly what my son was looking for. He now uses it daily. Functions exactly as it should and has enhanced his game play.

### ⭐⭐⭐⭐⭐ Great gaming device
*by A***A on January 18, 2026*

12 year old was able to program on his own and is thrilled with performance of this Sayo. He uses it for Geometry Dash game. You can use it with an iPad or laptop. Great tutorial by a British young man who teaches how to program it for iPad usage.

## 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.is/products/536278729-sayodevice-osu-o3c-rapid-trigger-hall-switches-magnetic-linear-switches](https://www.desertcart.is/products/536278729-sayodevice-osu-o3c-rapid-trigger-hall-switches-magnetic-linear-switches)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-08*