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