PortaCell iPad 3 Keyboard Dock for Apple&trade; iPad 3rd Generation 16 GB, 32 GB, 64 GB [Not compatible with Apple iPad 1st and 2nd Generation] PortaCell iPad 3 Keyboard Dock Compatible with Apple iPad 3rd Generation 16 GB, 32 GB, 64 GB [Not compatible with Apple iPad 1st and 2nd Generation] 3-in-1 design: Wireless Bluetooth Keyboard + Aluminum Case + New iPad Stand 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.