1、Wireless and Wired Connection: This is a customized Bluetooth wireless and wired dual mode keypad, with a Type C to USB interface, plug and play, no drive required. 2、Convenient Shortcut Keys: All the key functions on the standard for Windows keyboard can be set, and the complicated shortcut key combination function can be realized with one key, with storage function. 3、Multi Layer Function: There are three layers of functions. One key can be set three different shortcut keys. After setting on for Windows system, it can be used on systems that support USB protocol, such as for Linux, for Os X, etc. 4、Mini and Portable: The mechanical game keyboard is simple to operate and can be connected to multiple keyboards. It is compact and easy to carry, with a long lifetime. 5、Multi Purpose: Programmable keyboard is applicable to office, drawing design, games, music, multimedia, industrial control, laboratory, production line testing and other fields.