Portable 75% Compact Layout: The compact mechanical keyboard with 84 keys retains separate arrow keys and function keys Customized mute button to reduce click noise by more than 90% Triple Connection Modes: Airkey84 mechanical keyboard provides three connection modes including Bluetooth 5.0, 2.4Gh wireless connection via USB receiver and USB-C wired mode can easily connect up to 4 devices and seamlessly switch among them Support Windowx/Mac /Android/Hongmeng and other systems The wireless connection distance is greater than 10 meters White Backlight with 14 Lighting Options Comfortable Typing Design Press life over 50 million times Keyboard size : 312*118*18mm,weight :470g