... wireless Bluetooth 2.0 keyboard 1.modern style design for ipad 2.light weight, quiet keystrokes, waterproof Built-in wireless ... weight, quiet keystrokes, waterproof and dustproofEnergy saving keyboard sleep modeTechnical Specificationbluetooth 2.0 interface standardoperating ... )wireless/wire leyboradUSB power charging cableUser GuidePacking size:31*19*1cmweight:388.5g Wireless Bluetooth 2.0 keyboard