Features:- ➡Rechargeable battery ▶ Charging time: 1hour ▶Working time: 200hours ▶Standby time: 60 days ➡Auto wake and sleep ➡Bluetooth connectivity ▶Bluetooth 3.0 ➡Full Qwerty Keyboard Keyboard compatibility: IOS 4.0, IOS 5.0, IOS 6.0, IOS 7.0 and later