Compagno 2 Bluetooh Keyboard with carrying case for iPad 2. Keyboard: Layout 76-Key US layout Connection: Bluetooth 2.1 wireless technology (also backward compatibility with 2.0, 1.2 & 1.1) Working Range: 30 feet (10M) Battery: Polymer (Rechargeable) Battery Life: Up to 40 hours (continuous use)/ Up to 60 days (standby mode). iPad, iPad 2, iPad2 and iPad3