The high-definition display allows to use the screen with the driver, upload pictures or homemade GIF animation, customize your own desktop, battery status, date & time display, connectivity & OS display, and backlight effects. - Simply rotate the keyboard knob to adjust the volume, RGB, languages, or switch machine and mode. 【Wireless & Wired Connectivity & 4000m - Ah Battery Life】: This Gaming keyboard equipped with 3 modes connectivity, Bluetooth 5.1 (more faster and save more power than the former Bluetooth versions.)or 2.4GHz for wireless, a type-c wired mode. - The wilreless mechanical keyboard adopt dual-color injection-molding process is and can also easily switched among the three modes. Within 4000m - Ah large-capacity battery, provide sufficient power for vacations and business trips. 【75% Custom Keyboard Gasket-mounted】: The mechanical keyboard wireless features a 75% keyboard, retaining the necessary arrows and function keys while freeing up desktop space. Gasket-mounted design, combined with flexible cut PC plate, built-in 5 layers of sound insulation cotton, Poron sandwich cotton, IXPE under-axis pad, PET premium sound pad and bottom cotton, significantly reducing vibration and noise. And the PCB adopts slotted design for each button, making each button more stable when click, experience a typing feel like never before. 【Hot Swappable Mechanical Keyboard】: High-quality PCB supports 3/5-pin hot-swap, so you can enjoy the fun of making your own unique keyboard without soldering. Includes 2-in-1 key extractor for easy replacement of key caps. - This wireless mechanical keyboard is equipped with flying fish switch. - Particularly ideal for long-time use in gaming or the office. 【RGB Keyboard】 South-facing LEDs with 1.6M RGB. Illuminate your setup with AK820 Pro's vibrant LED back lighting, with double-shot PBT key cap and south-facing LEDs that offer superior shine-through capabilities. Press "FN+|"to change the 20 lighting effects. Also you can DIY creamy keyboard light via driver. Customizable RGB lighting provides you with cool and attractive lighting effects, making you more enjoyable when playing games or typing at night. Includes: A multimedia knob and a smart display screen. - Knobs help with quick operation. Use the screen with the driver, upload pictures or homemade GIF animation, customize your own desktop. Note: Please use the driver in wired mode. Three connection modes. - Type C Wired mode-stable connection. Bluetooth mode,-convenient and fast. 2.4G wireless mode-portable and stable. Real five layer gasket. - High quality poron cotton sheet filling, PBT material key cap, durable&comfortable feeling. Cool RGB backlit, 18 different modes, you can also record lights according to personal preference. Cherry highly ergonomic key cap relieves hand fatigue after long time use. 4000 m - Ah large capacity battery, do not worry about the device power problem.