1、Plug and Play Programmable Keyboard: Featuring Type C USB interface, this keyboard offers plug and play functionality with no need for driver downloads. It can work seamlessly on for Linux, for OS X, for Pi etc. With memory feature, allowing you to connect it with another keyboard onto the same computer without any interference. 2、Multifunctional Usage: Includes functions such as shortcut keys, cut, undo, redo, select all, play, pause, volume control, toggle song, fast forward, rewind, custom script, etc. The RGB lighting feature adds a visual appeal with multiple adjustable modes and can be turned off if desired. 3、Convenient and Portable: Comes with a detachable Type C USB cable for an easy connection. Its compact and portable design allows you to carry it around, effectively saving your desk space. 4、Customized USB Keypad: USB button single keyboard with hot swappable mechanical switch provides an enjoyable experience of building your own custom mechanical keyboard. 5、Wide Applications: User defined USB button single keyboard is suitable for applications in office, gaming, music, media, industrial control, laboratory, production line testing etc.