This is a mini keyboard with custom functions, Type-C to USB interface, no driver, plug and play, can set all the key functions on the standard Windows keyboard, one-key to achieve complicated and complex combination shortcut keys, the keyboard has It has a storage function. After setting it up on the Windows system, it can be used on systems that support the usb protocol such as Linux and MacOS. The operation is simple, and it is convenient and easy to carry when connecting multiple keyboards. The knob can be set to zoom in and out, cut to the previous song, the next song, volume up, volume down, pause, play and other functions, is a good helper for assistance.