---
product_id: 589457030
title: "SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… (with OSU keycaps-Black)"
brand: "btxetuel"
price: "AR$170620"
currency: ARS
in_stock: true
reviews_count: 8
category: "Btxetuel"
url: https://www.desertcart.com.ar/products/589457030-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear
store_origin: AR
region: Argentina
---

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

**Brand:** btxetuel
**Price:** AR$170620
**Availability:** ✅ In Stock

## Summary

> 🎮 Elevate your game and workflow with precision at your fingertips!

## 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.… (with OSU keycaps-Black) by btxetuel
- **How much does it cost?** AR$170620 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/589457030-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

- • **Magnetic Hall Switches:** Durable, smooth linear switches with easy hot-swap calibration for ultimate customization.
- • **Plug & Play with USB-C:** High-speed USB 2.0 Type-C connection ensures stable, lag-free performance right out of the box.
- • **Vibrant IPS Color Screen:** Customizable 0.96-inch display shows key stats, macros, and your personal ID at a glance.
- • **Multi-Function Knob Control:** Assign any function to the knob—volume, scrolling, or shortcuts—for seamless workflow control.
- • **Lightning-Fast 8000Hz Polling:** Experience near-instantaneous input response for flawless gaming and productivity.

## Overview

The SayoDevice O3C OSU Keyboard is a compact, high-performance mini keypad featuring 3 magnetic Hall linear switches, a customizable 0.96-inch IPS color screen, and a multifunctional knob. With an ultra-fast 8000Hz polling rate and hot-swappable switches, it offers gamers and professionals seamless customization and lightning-quick responsiveness, all connected via USB-C for reliable, lag-free use.

## 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.… (with OSU keycaps-Black) : 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 | B0CFG53MN9 |
| Best Sellers Rank | #6,831 in Video Games ( See Top 100 in Video Games ) #518 in PC Gaming Keyboards |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,300) |
| Date First Available | May 25, 2023 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.6 ounces |
| Item model number | Sayodevice-O3C |
| Manufacturer | BTXETUEL |
| Product Dimensions | 2.5 x 2 x 1.5 inches |

## Product Details

- **Brand:** BTXETUEL
- **Color:** with osu keycaps--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:** RGB
- **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.… (with OSU keycaps-Black) - Image 1](https://m.media-amazon.com/images/I/51wJRl0YrZL.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 O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… (with OSU keycaps-Black)
- One by Wacom Small Graphics Drawing Tablet 8.3 x 5.7 Inches, Portable Versatile for Students and Creators, Ergonomic 2048 Pressure Sensitive Pen Included, Compatible with Chromebook Mac and Windows

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**Shop now:** [https://www.desertcart.com.ar/products/589457030-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear](https://www.desertcart.com.ar/products/589457030-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-04*