Features: l HID standard keyboard, plug and play without driver l This keyboard supports multiple function modes l Each button can be set to a different function mode without affecting each other l The button function can be set by yourself, there is a dedicated setting program, and the setting can be repeated l Onboard storage, settings are saved in the keyboard, no need to set again to replace the device l 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 mode Mouse mode: move the cursor/click the mouse button Multimedia control: control media playback, etc. Two-step operation: press and lift to perform different operations LED control: you can control the keyboard LED to a specified state Game 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