... in 1 wireless mouse,keyboard,remote controller 51 keys of keyboard 44 keys of remote controller USB Port of keyboard,mouse 1.3 in 1 ... Mini Keyboard set: Mini keyboard with 51 keys, Laser trackball mouse and Infrared Remote ... , CAPS,etc Operation System:1. Windows 2000/XP/Vista/72. Linux Android 3 in 1 wireless mouse,keyboard and remote controller