?Portable and Easy to Use?Type C to USB interface, no need for drivers, plug and play, this one key keyboard is no conflict between the computer and multiple keyboards, convenient and easy to carry. ?Settable Knob?The knob can also be set, the macro keyboard with functions such as, play the previous song, the next song, volume up, volume down, pause, play and other functions. ?Memory Function?The gaming keypad has a storage function, which can be used on systems that support usb protocol such as for Linux, for OS X, etc. after setting it up on the for Windows system. ?Multifunction?The mini keyboard with multi functions, you can set all the key functions on the for Windows keyboard, and realize complicated and complex shortcut keys with one key. ?Bring You Convenience?This is a 12 key programmable keyboard with adjustment knob, you can set the shortcut keys to reduce the cumbersome process.