This is one wicked and sturdy aluminum keyboard for use with Ipad 2. It features an 84 key layout and utilizes Bluetooth 2.0 for operation giving it a 10 meter working distance. The 450 mAh rechargeable battery can quickly be charged in 3 hours and provide you an amazing 32 hour working time with 64 hours of standby. A unique feature is that it doubles as a protective high strength cover keeping your Ipad totally safe. ? - Color: Silver + Black - Material: aluminum alloy - 84-key keyboard - Bluetooth 2.0 version - Working range: 10 meters - Built-in 450mAh rechargeable battery - Charged by USB port - Charging time: 3.5~4 hours - Working time: 32 hours - Standby time: 64 hours - Auto power-off after 15 minutes without using - Can be used as a protective cover for Ipad 2 - A Perfect Bluetooth keyboard for Ipad 2 - Comes with USB cable and English manual