Azio Bluetooth Keyboard/Cover iPad Air (KC310) Magnetic Clips: Aligns and securely attach to your iPad Air. Sturdy Stand: Built-in groove holds iPad upright in landscape or portrait mode. Long Battery Life: Get up to 3 months of battery life on a single charge. Rechargeable: Charge the keyboard using the included Micro USB cable. iOS Shortcut Keys: Includes time-saving productivity and multimedia shortcut keys. Operating Distance: Up to 10m/33ft Interface: Bluetooth 3.0 Battery: Lithium polymer rechargeable