iKKEGOL 1.8Meter /6Feet USB Durable Game Handle Mini Button 4 Keys Switch User-Defined Keyboard for Game Laptop Hospital White used in playing games, controlling instruments, Image acquisition, multimedia teaching, epidemic prevention station and so on Membrane keyboard touches comfortably, lifetime 1,000,000 times Keys of the handle keyboard can be defined as any key or the key combinations, mouse or string. Such as F1, A or Ctrl + Alt + Delete EASY AND CONVENIENT:Software can be free download from website:http://software.pcsensor.com/pc_en.html.Note: if your computer system is DOS, Mac, Linux, IOS or android, you'll need to configure the device on a Windows machine. After successful configuration, you may then use the device on your android , Mac or other system computer Dimensions: 45x85x15mm-3.35inch x 1.77inch x 0.59inch