【RK】RK-H81 75% Bluetooth Triple-Mode Wireless Mechanical Keyboard - RK Yellow Switch, RGB, "Time Machine" Theme, Chinese Layout

Product Description: Introducing the all-new RK H81 GASKET structure. This 75% compact keyboard features an 81-key layout and supports Bluetooth, 2.4G wireless, and TYPE-C wired connection modes. It can connect to up to 3 Bluetooth devices simultaneously and allows for seamless switching between Windows and Mac systems, catering to diverse work and cross-platform operational needs. Additionally, it offers hot-swappable switch sockets, empowering you to freely customize your key switches and create a truly unique typing experience, fulfilling a variety of DIY preferences. This is no ordinary mechanical keyboard. The low-latency 2.4G wireless connection ensures a superior gaming experience. Whether for office work or professional gaming, the RK H81 is designed to meet your multifaceted 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 Backlight Modes Multimedia Support: FN Auxiliary Keys Connectivity: Bluetooth 5.0 / 2.4G Wireless / TYPE-C Wired HUB: Built-in USB HUB x1 (Requires wired TYPE-C mode) Keyboard Dimensions: 336 x 142 x 40 mm Keyboard Weight: 0.9 kg Battery Capacity: 3750 mAh / Charging time approx. 6-7 hours / Approx. 180 hours of use with lights on when fully charged* (Actual usage time may vary based on usage conditions) Compatible Systems: Windows / Win7 / Win8 / Win10 / Win11 MAC / iOS / Android 【Hot-Swap Instructions】: Use a keycap puller to remove the keycap. Use a switch puller to remove the switch (note the orientation of the switch pins). Ensure the pins of the new switch align with the socket holes. Gently press the switch vertically until it clicks into place. 【Knob Mode Switch Instructions】: OFF: Wired Mode G: 2.4G Wireless Mode (Requires receiver plugged into the computer) B1~B3: Switch between three Bluetooth devices 【Bluetooth Connection Instructions】: Turn the knob to B1/B2/B3 and enable Bluetooth. On your device, open Bluetooth settings and search for either RK-H81RGB 5.0 or RK-H81RGB 3.0. You can switch between B1/B2/B3 devices using the knob. 【2.4Ghz Connection Instructions】: Insert the 2.4G receiver into a USB port on your computer. Turn the knob to "G" to use. 【Battery Level Check】: Press FN + Enter. The number keys "1!" through "0)" will illuminate, indicating the battery level from 10% to 100%. 【Restore Factory Default Settings】: Press and hold FN + Spacebar for 3 seconds until the keyboard backlight flashes to confirm the reset. 【Product Contents】: 1 x RK H81 Mechanical Keyboard 1 x TYPE-C Cable 1 x Keycap & Switch Puller Tool 4 x RK Yellow Switches 1 x User Manual Warranty Period: One Year Exclusive Distributor in Taiwan: Le Wei Technology Co., Ltd. 【Return & Exchange Policy】: ★ The product is covered by a seven-day appreciation period. Please note that this is not a trial period. Returned items must be restored to their original condition (as they were upon arrival) and be accompanied by complete packaging (including the product itself, accessories, gifts, warranty card, original packaging, and all accompanying documents or data). Please ensure no accessories are missing or the original box is damaged. ★ 3C products are single-use packaged items. They cannot be opened or tried out. Please ensure you have a purchase intention before opening the package. 【RK Brand】: RK (Royal Kludge) possesses independent R&D design capabilities, focusing on the development and production of gaming peripherals. With a senior electronics R&D team dedicated to meticulous design over many years, it is a large-scale enterprise integrating R&D, production, and sales. Through years of dedicated effort, RK has developed professional mechanical keyboards, gaming mice, and headsets, among other product lines. RK's current focus is on wireless mechanical keyboards, offering players more room for creative expression through features like hot-swappable switches, diverse keycap designs, and a variety of keyboard sizes.