Quantity	1 Piece
Color	Silver grey
Material	Aluminum alloy + ABS
Compatible Models	Ipad 2 / the New Ipad
Keys	78
Connection	Bluetooth V3.0
Operating Range	10 meter
Battery	lithium ion battery
Charging Time	4~5 hours
Working Time	55 hours
Battery Type	4000mAh
Other Features	Modulating system: GFSK; Working voltage: 3.0~5.0V; Working current: Dimensions: 9.65 in x 7.68 in x 0.87 in (24.5 cm x 19.5 cm x 2.2 cm) Weight: 23.03 oz (653 g)