--- product_id: 563247764 title: "SayoDevice O3C++ Black Keyboard" brand: "btxetuel" price: "£47.03" currency: GBP in_stock: true reviews_count: 13 category: "Btxetuel" url: https://www.desertcart.co.uk/products/563247764-sayodevice-o3c-black-keyboard store_origin: GB region: United Kingdom --- # 8000Hz ultra-fast polling rate Customizable multifunction knob 0.96-inch IPS color display SayoDevice O3C++ Black Keyboard **Brand:** btxetuel **Price:** £47.03 **Availability:** ✅ In 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?** £47.03 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/563247764-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 - • **Vibrant IPS Color Screen:** Customize your display with ID, key counts, or shortcuts for instant feedback. - • **Multifunctional Knob Control:** Assign any key or function to the knob for seamless media or workflow navigation. - • **Compact & Portable Pro Design:** Sleek 4+4 key layout with USB-C connectivity fits perfectly on any desk or on-the-go setup. - • **Lightning-Fast 8000Hz Polling:** Experience near-zero lag for precision gaming and rapid workflows. - • **Fully Hot-Swappable Hall Magnetic Switches:** Swap and calibrate switches effortlessly to tailor your tactile feel. ## Overview The SayoDevice O3C++ OSU Keyboard is a compact, high-performance mini keypad featuring 8 hot-swappable Hall magnetic linear switches, a customizable 0.96-inch IPS color screen, and a multifunctional knob. With an ultra-fast 8000Hz polling rate via USB-C, it delivers lag-free input ideal for precision gaming and productivity. Its customizable screen and knob empower users to personalize shortcuts and controls, making it a must-have for professionals and gamers seeking a sleek, portable, and highly adaptable input device. ## Description 1.【Replaceable Switches】Supports any Hall magnetic Switches, with a simple click for calibration. 2.【IPS color Screen】With 0.96 inch IPS color screen,visible key range and button counting. 3.【Custom Screen】The first line of text on the screen can be customized, such as writing your own ID. 4.【Custom Knob】The knob can also be set with any key, such as to scroll through the song list. 5.【O3C++ OSU SayoDevice Keyboard】This keyboard with 4 magnetic linear switches, 4+4 keys keyboard,1 knob, 1 screen! TYPE-C,USB 2.0 high-speed 8000HZ. Review: Just a cool little dude - Does as it says and works good Review: Perfect for high precision games. - Perfect for osu and geometry dash. Rapid trigger works as intended. Sounds pretty good. Highly customizable as you can see. If you have a usb-c to usb-c cable lying around you can even use it on your phone. It's small and very portable. Feels great on your finger delicious. Smells great. 8k polling rate is there. Love the know. No lag. Very easy to use. Connection included is usb-c to usb-a. Perfect for high precision gaming. ## Features - 【O3C++ OSU SayoDevice Keyboard】This keyboard with 4 Hall magnetic linear switches, 4+4 keys keyboard,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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CH1FK7D3 | | Additional Features | Knob, Screen | | Antenna Location | Gaming | | Best Sellers Rank | #5,690 in Video Games ( See Top 100 in Video Games ) #445 in PC Gaming Keyboards | | Brand | BTXETUEL | | Built-In Media | USB Cable | | Button Quantity | 4 | | Color | Black | | Compatible Devices | PC Laptop Desktop | | Compatible Operating System Family | Windows | | Compatible Tablet Computer Models | Samsung Galaxy Tab S7 FE 12.4" | | Connectivity Technology | USB-C | | Customer Reviews | 4.4 out of 5 stars 72 Reviews | | Enclosure Material | Plastic | | Hand Orientation | Ambidextrous | | Keyboard Description | Macro | | Keyboard Layout | QWERTY | | Manufacturer | BTXETUEL | | Mechanical Keyboard Switch Model | Hall magnetic | | Number of Keys | 4 | | Number of Sections | 1 | | Power Source | USB Power | | Recommended Uses For Product | Gaming | | Special Feature | Knob, Screen | | Style Name | Contemporary | | Switch Type | Linear | | Unit Count | 1.0 Count | | Warranty Description | 2 YEAR | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** BTXETUEL - **Color:** Black - **Compatible Devices:** PC Laptop Desktop - **Connectivity Technology:** USB-C - **Included Components:** USB Cable - **Keyboard Description:** Macro - **Material:** Plastic - **Recommended Uses For Product:** Gaming - **Special Feature:** Knob, Screen - **Style:** Contemporary ## Images ![SayoDevice O3C++ Black Keyboard - Image 1](https://m.media-amazon.com/images/I/81qJt6V57DL.jpg) ![SayoDevice O3C++ Black Keyboard - Image 2](https://m.media-amazon.com/images/I/610Nzeb5muL.jpg) ![SayoDevice O3C++ Black Keyboard - Image 3](https://m.media-amazon.com/images/I/711Sx01T4XL.jpg) ![SayoDevice O3C++ Black Keyboard - Image 4](https://m.media-amazon.com/images/I/71GxondLykL.jpg) ![SayoDevice O3C++ Black Keyboard - Image 5](https://m.media-amazon.com/images/I/71P0gaESz2L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Just a cool little dude *by S***R on January 8, 2026* Does as it says and works good ### ⭐⭐⭐⭐⭐ Perfect for high precision games. *by M***O on August 14, 2025* Perfect for osu and geometry dash. Rapid trigger works as intended. Sounds pretty good. Highly customizable as you can see. If you have a usb-c to usb-c cable lying around you can even use it on your phone. It's small and very portable. Feels great on your finger delicious. Smells great. 8k polling rate is there. Love the know. No lag. Very easy to use. Connection included is usb-c to usb-a. Perfect for high precision gaming. ### ⭐⭐⭐⭐⭐ Exactly what I ordered *by A***S on December 27, 2025* Came in on time and works well! ## 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 (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 - BTXETUEL SayoDevice OSU O3C Rapid Trigger Hall Switches Magnetic Linear Switches Keyboard with Knob and Screen,Copy Paste,Shotcut,Macro Hotswap Mini Keypad.… --- ## 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.uk/products/563247764-sayodevice-o3c-black-keyboard](https://www.desertcart.co.uk/products/563247764-sayodevice-o3c-black-keyboard) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-17*