Fangrui Product Details You can customize the button to achieve keyboard function, mouse function, multimedia function, character string function, game function and macro definition function. USB Wired+2.4G Wireless dual-mode connection, easy to switch according to your needs. Designed with mechanical blue switches, strong paragraph sense, crisp sound. The button curve fits ergonomic design, comfortable to type. With anti-slip pads at the bottom, no need to worry about keyboard slipping. This product provides key definition setting software based on system, which can be used in systems after setting.(Note: If you use Linux or , you need to set it up on first, then plug the foot switch into your device and run it to use) Wide application, suitable for office, game, multimedia, etc. Note: -click open/start function cannot be used in wireless mode. Type: Mini keyboard Model: MK321G Key number: 3 Connection mode: USB+2.4G Wireless Mechanical switch: Blue switch Interface type: Type-C Service life: 50 million times Working voltage/ Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.