---
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: "$119"
currency: NZD
in_stock: true
reviews_count: 8
category: "Btxetuel"
url: https://www.desertcart.nz/products/541316486-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear
store_origin: NZ
region: New Zealand
---

# 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.…

**Brand:** btxetuel
**Price:** $119
**Availability:** ✅ In Stock

## Summary

> 🎮 Elevate your game with precision, speed, and style — the SayoDevice O3C is your ultimate mini command center!

## 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?** $119 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/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

- • **Plug & Play Hotswap Design:** Effortlessly swap switches and macros without soldering—upgrade your setup on the fly.
- • **Multi-Function Knob Control:** Assign any key or function to the knob for seamless volume, scrolling, or shortcuts.
- • **Customizable IPS Color Screen:** Display your ID or key stats on a vibrant 160x80 resolution mini display.
- • **Lightning-Fast 8000Hz Polling:** Experience near-instantaneous input response for flawless gaming and productivity.
- • **Magnetic Hall Linear Switches:** Durable, smooth, and replaceable switches for personalized tactile perfection.

## Overview

The SayoDevice O3C OSU Keyboard is a compact, high-performance mini keypad designed for gamers and pros seeking ultra-responsive input. Featuring 3 replaceable Hall magnetic linear switches, a customizable 0.96-inch IPS color screen, and a versatile knob, it delivers 8000Hz polling rate via USB-C for lightning-fast commands. Its hotswap capability and programmable macros make it a must-have for streamlined workflows and competitive edge.

## 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: 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 | B0C5JTVQNN |
| Additional Features | Magnetic |
| Antenna Location | Gaming |
| Best Sellers Rank | #5 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 1,378 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

### ⭐⭐⭐⭐⭐ 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.…
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**Shop now:** [https://www.desertcart.nz/products/541316486-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear](https://www.desertcart.nz/products/541316486-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic-linear)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-05*