PortaCell Ultra Slim Aluminum Bluetooth Keyboard Case for Apple iPad3 [BLACK Keys] PortaCell Ultra Slim Keyboard for iPad3 - Bluetooth wireless receiver, Compatible with Apple The New iPad [Not compatible with Apple iPad 1st and 2nd Generation] Keyboard is made out of high quality aluminum. Aluminum enclosure with a black keyboard and trim. Built in lithium battery (710mAh) lets you enjoy up to 160 hours of uninterrupted work time. Charging time is only 4-5 hours. This ultra versatile accessory lets you conveniently type via bluetooth connection while you're standing your New iPad. Once you're done using your device, just snap it in the case and carry it away while safely covering and protecting the LCD screen. Charges through Apple dock connector cable.