---
product_id: 541316486
title: "SayoDevice O3C Black Keyboard"
brand: "btxetuel"
price: "฿4313"
currency: THB
in_stock: null
reviews_count: 8
category: "Btxetuel"
url: https://www.desertcart.co.th/products/541316486-sayodevice-o3c-black-keyboard
store_origin: TH
region: Thailand
---

# 8000Hz ultra-fast polling 0.96" IPS color screen Magnetic linear Hall switches SayoDevice O3C Black Keyboard

**Brand:** btxetuel
**Price:** ฿4313
**Availability:** ❌ Out of Stock

## Summary

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

## Quick Answers

- **What is this?** SayoDevice O3C Black Keyboard by btxetuel
- **How much does it cost?** ฿4313 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/541316486-sayodevice-o3c-black-keyboard)

## 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

- • **Customizable Knob Control:** Assign any function to the tactile knob—scroll playlists, adjust volume, or trigger shortcuts seamlessly.
- • **Vibrant IPS Color Display:** Keep key stats, custom IDs, or macros visible on a crisp 160x80 resolution screen for ultimate control.
- • **Lightning-Fast 8000Hz Polling:** Experience near-instantaneous input response for flawless gameplay and productivity.
- • **Modular Magnetic Hall Switches:** Easily swap and calibrate switches with a satisfying magnetic click—customize your tactile feel on the fly.
- • **Plug-and-Play USB-C Connectivity:** High-speed USB 2.0 interface ensures lag-free connection across laptops, Macs, and PCs.

## Overview

The SayoDevice O3C OSU Keyboard is a compact, high-performance mini keypad designed for gamers and pros seeking ultra-responsive input. Featuring 3 magnetic linear Hall switches with hot-swap capability, a customizable 0.96-inch IPS color screen, and a multifunctional knob, it delivers 8000Hz polling rate via USB-C for seamless, lag-free operation. Perfect for OSU, Geometry Dash, and productivity macros, it combines modular customization with sleek design and a 2-year warranty.

## 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 1,315 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 |
| Item Height | 1.5 inches |
| 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 Black Keyboard - 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.…
- 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
- HUION Artist Glove for Drawing Tablet (1 Unit of Free Size, Good for Right Hand or Left Hand) - Cura CR-01

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.th/products/541316486-sayodevice-o3c-black-keyboard](https://www.desertcart.co.th/products/541316486-sayodevice-o3c-black-keyboard)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-02*