---
product_id: 541316486
title: "BTXETUEL 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: "2201679₫"
currency: VND
in_stock: true
reviews_count: 13
category: "Btxetuel"
url: https://www.desertcart.vn/products/541316486-btxetuel-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic
store_origin: VN
region: Vietnam
---

# 8000Hz high-speed USB-C connectivity 3 Hall magnetic linear switches 0.96-inch IPS color screen, 160x80 resolution BTXETUEL 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:** 2201679₫
**Availability:** ✅ In Stock

## Summary

> 🎮 Elevate your command center with the SayoDevice O3C — where precision meets personalization.

## Quick Answers

- **What is this?** BTXETUEL 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?** 2201679₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/541316486-btxetuel-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-switches-magnetic)

## 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

- • **Compact Powerhouse:** A sleek, space-saving design perfect for professionals and gamers craving efficiency without clutter.
- • **Seamless Control Knob:** Assign any function to the tactile knob—scroll playlists, adjust volume, or trigger macros effortlessly.
- • **Customizable Visual Feedback:** Personalize your workflow with a vibrant 0.96-inch IPS color screen that displays key ranges, button counts, and your custom ID.
- • **Precision at Your Fingertips:** Experience ultra-responsive typing with 3 Hall magnetic linear switches designed for lightning-fast input and durability.
- • **Plug & Play with Hotswap Flexibility:** Easily replace switches without soldering, enabling quick customization and calibration for peak performance.

## Overview

The SayoDevice O3C Black Keyboard is a compact, high-performance keypad featuring 3 Hall magnetic linear switches, a customizable 0.96-inch IPS color screen, and a multifunctional knob. With USB-C 8000Hz connectivity and hot-swappable switches, it offers professional-grade responsiveness and personalization, ideal for gamers and productivity enthusiasts seeking a sleek, durable input device.

## Description

Product description

Review: Extremely accurate high click rate and super durable - This thing is amazing. So, so durable. Extremely accurate and provides an extremely high click per second capability. It comes with interchangeable keys, white and black and a cute little colored screen you can customize. One of our sons plays a fast paced rhythm game called Geometry Dash and this sayo device is highly recommended by other gamers. I say that it is durable because it has survived many rage incidents. This kid has destroyed mice, keyboards and even a nice 240 Hz monitor but this Sayo device has weathered all those incidents for nearly 18 months and still works like new. It's a little pricey, but so worth it knowing the quality and durability.
Review: Perfect Size and Super Responsive - This keypad is the perfect mini size for GD and doesn’t take up any space. The keys feel light and fast because of the hall effect switches, and the screen actually looks really nice in person. It made my inputs way more reliable when playing harder levels.

## 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 | #10 in Computer Keyboards |
| Brand | BTXETUEL |
| Button Quantity | 3 |
| Color | black |
| Compatible Devices | Laptop, Mac, PC |
| Compatible Operating System Family | Linux, MacOS, Windows |
| Connectivity Technology | USB-C |
| Customer Reviews | 4.7 out of 5 stars 1,034 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 |
| Mfr Part Number | Sayodevice-O3C |
| Model Name | Sayodevice-O3C |
| Model Number | Sayodevice-O3C |
| Number of Keys | 3 |
| Number of Sections | 1 |
| 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

![BTXETUEL 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)
![BTXETUEL SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… - Image 2](https://m.media-amazon.com/images/I/61aeQZHXIuL.jpg)
![BTXETUEL SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… - Image 3](https://m.media-amazon.com/images/I/717ql8MjPuL.jpg)
![BTXETUEL SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… - Image 4](https://m.media-amazon.com/images/I/81SykVmImgL.jpg)
![BTXETUEL SayoDevice O3C OSU Keyboard Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… - Image 5](https://m.media-amazon.com/images/I/617Ff1igaRL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Extremely accurate high click rate and super durable
*by M***S on May 29, 2026*

This thing is amazing. So, so durable. Extremely accurate and provides an extremely high click per second capability. It comes with interchangeable keys, white and black and a cute little colored screen you can customize. One of our sons plays a fast paced rhythm game called Geometry Dash and this sayo device is highly recommended by other gamers. I say that it is durable because it has survived many rage incidents. This kid has destroyed mice, keyboards and even a nice 240 Hz monitor but this Sayo device has weathered all those incidents for nearly 18 months and still works like new. It's a little pricey, but so worth it knowing the quality and durability.

### ⭐⭐⭐⭐⭐ Perfect Size and Super Responsive
*by J***I on March 17, 2026*

This keypad is the perfect mini size for GD and doesn’t take up any space. The keys feel light and fast because of the hall effect switches, and the screen actually looks really nice in person. It made my inputs way more reliable when playing harder levels.

### ⭐⭐⭐⭐⭐ Lighting
*by K***O on May 22, 2026*

Very good quality look good and great price lights were very cool on it

## 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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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-03*