Features:l HID standard keyboard, plug and play without driverl This keyboard supports multiple function modesl Each button can be set to a different function mode without affecting each otherl The button function can be set by yourself, there is a dedicated setting program, and the setting can be repeatedl Onboard storage, settings are saved in the keyboard, no need to set again to replace the devicel Support Windows, Linux, MacOS, Android, Raspberry Pi, etc.l Custom keyboard keys, shortcut keys, multi step operation, multi key in one, copy/paste/cut/undo/redo/select all/play/pause/volume/cut song/forward/backward Specifications:Default mode: keyboard modeMouse mode: move the cursor/click the mouse buttonMultimedia control: control media playback, etc.Two step operation: press and lift to perform different operationsLED control: you can control the keyboard LED to a specified stateGame controller: buttons that can be set as game handles, etc.One key password: One key to enter the preset password Package Include:1 x 4 key Mini Keyboard 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. Sold by-YJL official store