HID standard keyboard, plug and play without driver. This keyboard supports multiple function modes. Each button can be set to a different function mode without affecting each other. The button function can be set by oneself, there is a special setting program, and the setting can be repeated. Onboard storage, the settings are saved in the keyboard, and there is no need to set again to replace the device. Support Windows, Linux, MacOS, Android, Raspberry Pi, etc. Supported function modes include default mode, mouse mode, multimedia control, two-step operation, LED control, game controller, and one-key password. The package includes 1 keyboard.