USB interface, HID standard keyboard, plug and play without driver. The colorful led backlight can be individually adjusted on/off and key press action display mode. Default is irradiation mode: constantly bright and slowly changing color. The button function can be set by oneself, there is a special setting program, and the setting can be repeated. and Onboard storage, the settings are saved in the keyboard, and there is no need to set again when changing the device. If you want to use it on MAC, you need to set up win7 and above before you can use it on Mac OS, and use win as command and alt as option Supports Windows, Linux, Mac OS, Android, Raspberry Pi, etc. The mini keyboard body includes a Hot-swappable shaft, keycaps, non-slip pads, one 1.5m micro-USB cable.