PANICTECH Ultra Thin Bluetooth 3.0 Wireless Aluminum Keyboard Case Cover for Apple iPad Air 2 (iPad 6) 2014 Model (Black) Modern style designed for Apple iPad Air 2 (iPad 6) 2014 Model Built-in Wireless Bluetooth 3.0 Rechargeable Keyboard Energy saving keyboard sleep mode Light weight, quiet keystrokes Built-in rechargeable lithium battery that lasts for approximately 55 hours per charge