[RK] RK-H81 75% Bluetooth Triple-Mode Wireless Mechanical Keyboard with RK Yellow Switches, RGB, Chronos, Chinese Layout

Product Description: Introducing the RK H81 GASKET, a new structure designed for a compact 75% layout with 81 keys. It supports Bluetooth, 2.4G wireless, and TYPE-C wired connection modes, allowing you to simultaneously connect up to 3 Bluetooth devices. Effortlessly switch between Windows and Mac systems to meet diverse work and cross-platform operational needs. The hot-swappable switch sockets offer the freedom to customize your typing experience by replacing the switches, fulfilling your unique DIY demands. This is no ordinary mechanical keyboard. Its low-latency 2.4G wireless connection ensures a superior gaming experience. Whether for office work or professional gaming, the RK H81 is designed to adapt to your varied usage scenarios. 【Product Specifications】: Switch Brand: RK Proprietary Switches Keyboard Switch: RK Yellow Switch (Hot-swappable) Actuation Point: 2.0 mm Operating Force: 50g Typing Feel: Linear Total Travel Distance: 4.0 mm Key Sound: Silent Average Keystrokes: 50 million Number of Keys: 81 Keycap Material: ABS Keycap Legend: Double-shot Character Language: Chinese Keycap Profile: OEM Backlighting: 22+ RGB Backlighting Multimedia Support: FN Key Combination Connection Interface: Bluetooth 5.0 / 2.4G Wireless / TYPE-C Wired HUB: Built-in USB HUB x1 (Requires TYPE-C wired mode) Keyboard Dimensions: 336 x 142 x 40 mm Keyboard Weight: 0.9 kg Battery Capacity: 3750 mAh / Charging Time: Approx. 6-7 hours / Up to 180 hours with backlighting on (actual usage may vary) Important Note: For charging, use USB (5V 1A) wired mode only (fast charging/power bricks not supported) Compatible Systems: Windows / Win7 / Win8 / Win10 / Win11 MAC / IOS / Android 【Hot-swap Instructions】: Use a keycap puller to remove the keycaps. Use a switch puller to remove the switches (note the orientation of the switch pins). Align the pins of the new switch with the socket holes. Gently press the switch vertically until it clicks into place. 【Connection Dial Switching Instructions】: OFF: Wired Mode G: 2.4G Wireless Mode (Requires receiver plugged into computer) B1~B3: Switch between three Bluetooth devices 【Bluetooth Connection Instructions】: Turn the dial to B1/B2/B3 and enable Bluetooth on your device. Search for RK-H81RGB 5.0 or RK-H81RGB 3.0 on your device's Bluetooth settings and connect. You can switch between paired devices on B1/B2/B3 using the dial. 【2.4Ghz Connection Instructions】: Plug the 2.4G receiver into a USB port on your computer. Turn the dial to "G" to use. 【Battery Level Check】: Press FN + Enter. Keys "1!" through "0)" will illuminate, indicating battery levels from 10% to 100%. 【Restore to Factory Settings】: Long press FN + Spacebar for 3 seconds until the keyboard backlighting flashes to confirm factory reset. 【Package Contents】: 1 x RK H81 Mechanical Keyboard Unit 1 x TYPE-C Cable 1 x Keycap and Switch Puller 4 x RK Yellow Switches 1 x User Manual Warranty Period: One Year Exclusive Distributor in Taiwan: Leadwin Technology Co., Ltd. 【Return & Exchange Policy】: ★ The product comes with a 7-day cooling-off period. Please note that the cooling-off period is not a trial period. Returned items must be in their original condition (as they were upon arrival) and with complete packaging (including the product itself, accessories, gifts, warranty card, original packaging, and all attached documents or data). Ensure no items are missing or the original box is damaged. ★ For 3C products, which are single-use packaged, they cannot be unsealed or tried out. Please ensure you have a purchase intention before unsealing. 【About RK Brand】: RK (Royal Kludge) possesses independent R&D capabilities, focusing on the development and production of gaming peripherals. With a seasoned R&D team dedicated to intricate design over many years, it is a comprehensive enterprise integrating R&D, production, and sales. Through years of meticulous development, RK offers professional mechanical keyboards, gaming mice, and headsets. RK's current focus is on wireless mechanical keyboards, offering players more creative freedom with features like hot-swappable switches, diverse keycap options, and a variety of keyboard sizes.