1) Built-in wireless Bluetooth 2.0 silicone keyboard 2) Stylish protective PU leather case design for iPad 3) iPad display stand for easy viewing 4) Built-in rechargeable lithium battery 5) Special iPad home screen key for one touch access to variety of apps. 6) Light weight, quiet keystrokes, dustproof and spill-proof 7) Energy saving keyboard sleep mode ***Specification 1) Bluetooth 2.0 interface standard 2) Operating distance to 10 meters 3) Modulation system: GFSK 4) Operating voltage: 3.0-5.0V 5) Working current: <5.0mA 6) Standby time: 30 days 7) Charging time: 3-3.5 hours 8) Operating temperature: -10~+55℃