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: Default mode: that is, 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 respectively. LED control: you can control the keyboard LED to a specified state. Game controller: It can be set as the buttons of the game handle, etc. One-key password: One-key input of the preset password. The package includes: 1*Keyboard 【16 Keys Numerical Keyboard】Use the wired keypad with 16 function keys. The button function can be set by oneself, there is a special setting program, and the setting can be repeated. 【Plug and Play】No drivers required, equiped with long cable, just plug and play the USB connector. With stable signal transmission, can be used with laptop and other PC simultaneously. Capability for portable use in your office or home. 【Waterproof & Wear-resist】This numeric keypad adopts dustproof and waterproof design, and the font is hard wearing and does not fade even used for a long time, safe and durable. You can work confidently and quickly-wherever and whenever. 【Wide Cpmpatibility】Support Windows, Linux, MacOS, Android, Raspberry Pi, etc. Providing you with very comfortable and pleasing typing experience. 【Ergonomic Design】With low noise, comfortable touch feeling with a solid and durable structure. Ergonomic design and the half-height buttons also help prevent wrist problems. Full metal bracket on back provide optimum comfort and securely keep the keypad in place.