Features Multi-function: wireless keyboard + touchpad + mouse + multimedia control keys and PC game control keys. Highly advanced RF 2.4G wireless technology provides anti-jamming and reliable connectivity. Full-featured mini keyboard, ultra-sensitive touchpad, high-tech design, precise touch you want. Working range: 10 meters ( MAX ), no signal interference, no direction limitation Battery: Built-in rechargable 1020mAh Li-ion battery (BL-5C) With USB dongle / receiver, no drivers required. plug and play. The keyboard automatically goes to sleep and wakes up. Can be used for PC, laptop, smart TV, HTPC, Android TV BOX, etc. Ergonomically designed, compact and lightweight. Note 1: USB Dongle is placed at the back of the keyboard. Specifications: Battery: Built-in rechargable 1020mAh Li-ion battery (BL-5C) Frequency range: 2.403GHz-2.480GHz Operating distance: Up to 10 meters / 30ft Operating voltage: 3.3V Operating current: