--- product_id: 563247800 title: "SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black)" brand: "btxetuel" price: "€ 81.61" currency: EUR in_stock: true reviews_count: 6 category: "Btxetuel" url: https://www.desertcart.pt/products/563247800-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-magnetic-switches-linear store_origin: PT region: Portugal --- # 8000Hz ultra-fast polling rate Customizable multifunctional knob 0.96" IPS color screen, 160x80 res SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black) **Brand:** btxetuel **Price:** € 81.61 **Availability:** ✅ In Stock ## Summary > 🎮 Elevate your command center with precision, speed, and style! ## Quick Answers - **What is this?** SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black) by btxetuel - **How much does it cost?** € 81.61 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/563247800-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-magnetic-switches-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 - • **Dynamic Customizable Knob:** Map the knob to any function—scroll playlists, adjust volume, or trigger macros—making workflow and gaming seamless. - • **Vibrant IPS Color Display:** Stay informed with a crisp 0.96-inch screen that shows key usage stats and lets you personalize your ID or messages. - • **Lightning-Fast 8000Hz Polling:** Experience near-instantaneous input response for flawless precision in gaming and productivity. - • **Compact 4+4 Key Layout with USB-C:** Sleek, space-saving design with high-speed USB 2.0 Type-C connectivity ensures compatibility and durability. - • **Fully Hot-Swappable Hall Magnetic Switches:** Easily swap and calibrate any Hall magnetic linear switch with a simple click—customize your tactile feel on the fly. ## Overview The SayoDevice O3C++ OSU Keyboard is a cutting-edge mini keyboard designed for gamers and pros who demand speed and customization. Featuring 4 hot-swappable Hall magnetic linear switches, a vibrant 0.96-inch IPS color screen, and a multifunctional knob, it delivers ultra-fast 8000Hz polling via USB-C. Its compact 4+4 key layout and customizable interface make it perfect for OSU gaming, macro shortcuts, and productivity workflows across Windows, MacOS, and Linux. ## 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: Amazing device with lots of utility - Item arrived on time as promised and works as described by the seller. Service is great. On my particular unit the screen was a bit buggy but seems to be working fine now. The keys need calibration often from what I've seen but still works amazingly well. Easy to use and to set up. You can customise the LED lights and the screen on the device which is very handy. The keys feel amazing and the utility of the buttons are great as well, as you are able to map them to any key on a regular keyboard on Windows, MacOS, and Linux. Absolutely amazing for the price. Review: Perfecto - llegó en perfectas condiciones, realmente lo utilizo para jugar osu y es bastante cómodo. ## 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 | | Antenna Location | Gaming | | Box Contents | USB Cable | | Brand | BTXETUEL | | Brand Name | BTXETUEL | | Button Quantity | 4 | | Colour | Black | | Compatible Devices | Laptop | | Compatible Operating System Family | Windows | | Compatible Tablet Computer Models | Samsung Galaxy Tab S7 FE 12.4" | | Compatible devices | Laptop | | Connectivity Technology | USB-C | | Connectivity technology | USB-C | | Country of Origin | China | | Customer Reviews | 4.6 out of 5 stars 84 Reviews | | Enclosure Material | Plastic | | Hand Orientation | Ambidextrous | | Keyboard Description | Multi Functional | | Keyboard Layout | QWERTY | | Keyboard description | Multi Functional | | Manufacturer | BTXETUEL | | Mechanical Keyboard Switch Model | Lineari | | Model Name | O3C++ OSU | | Number of Keys | 4 | | Number of Sections | 1 | | Power Source | Corded Electric | | Product Features | Knob, Screen | | Recommended uses for product | Gaming | | Special feature | Knob, Screen | | Style Name | Contemporary | | Switch Type | Linear | | Unit Count | 1.0 count | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** BTXETUEL - **Colour:** Black - **Compatible devices:** Laptop - **Connectivity technology:** USB-C - **Included components:** USB Cable - **Keyboard description:** Multi Functional - **Material:** Plastic - **Recommended uses for product:** Gaming - **Special feature:** Knob, Screen - **Style:** Modern ## Images ![SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black) - Image 1](https://m.media-amazon.com/images/I/81qJt6V57DL.jpg) ![SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black) - Image 2](https://m.media-amazon.com/images/I/610Nzeb5muL.jpg) ![SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black) - Image 3](https://m.media-amazon.com/images/I/711Sx01T4XL.jpg) ![SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black) - Image 4](https://m.media-amazon.com/images/I/71GxondLykL.jpg) ![SayoDevice O3C++ OSU Keyboard Rapid Trigger Hall Magnetic Switches Linear Knob Screen Copy Paste ShotCut Macro Hotswap Mini Keyboard (Black) - Image 5](https://m.media-amazon.com/images/I/71P0gaESz2L.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐ Amazing device with lots of utility *by M***N on 11 February 2026* Item arrived on time as promised and works as described by the seller. Service is great. On my particular unit the screen was a bit buggy but seems to be working fine now. The keys need calibration often from what I've seen but still works amazingly well. Easy to use and to set up. You can customise the LED lights and the screen on the device which is very handy. The keys feel amazing and the utility of the buttons are great as well, as you are able to map them to any key on a regular keyboard on Windows, MacOS, and Linux. Absolutely amazing for the price. ### ⭐⭐⭐⭐⭐ Perfecto *by J***E on 5 September 2025* llegó en perfectas condiciones, realmente lo utilizo para jugar osu y es bastante cómodo. ### ⭐⭐⭐⭐⭐ حجمه صغير ودايما ابني يستخدمه وسعيد *by A***F on 25 December 2025* اكثر شي ابني سعيد فيه ## 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.pt/products/563247800-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-magnetic-switches-linear](https://www.desertcart.pt/products/563247800-sayodevice-o3c-osu-keyboard-rapid-trigger-hall-magnetic-switches-linear) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-06-21*