83 keys, 2.4GHz wireless keyboard with touchpad. Built-in intelligent sensitive touchpad with high flip design. Mini QWERTY keyboard with multimedia control keys and PC gaming control keys. Auto sleep and wakefulness Perfect for PC/Ipad/Android/Google TV Box/XBOX 360/PS3/HTPC/IPTV. Innovative, portable, elegant. The hand-held ergonomic design is easy to carry and operate. Powered by 1xlithium or 2xAAA battery (not included).