... :2.4G wireless connection, 10M operating distance.3 in 1function: keyboard, mouse and IR learning remote controller.With remote controller button ... , it is convenient to operate.With USB receiver, plug and play.Built-in rechargeable lithium-ion battery, long standby ... Google TV, HTPC, etc.Specifications:Receiver: 2.4GHzBattery: Rechargeable li-ion batteryKeys: 51 keys Operating range: up to 10 ...