... ipad 2 /the New Ipad use. 2.Built-in wireless Bluetooth 3.0 keyboard. 3.Modern style designed for ipad , used as ipad ... case and ipad display stand for easy viewing. 4.Built-in Rechargeable ... ,Continuous uninterrupted use time: 55 hours 9,theory charging time: 4-5 hours 10,Lithium Battery volume: 4000mA 11,Lithium Battery ...