myBitti Ipad Air Aluminium Folio Bluetooth Keyboard Case Cover for Ipad Air Ipad 5 With Backlit Light (black) Ultra-thin backlit Bluetooth Keyboard;Colors Backlight could be Selected. Energy saving keyboard sleep mode Automatic connecting(without entering password). Light weight ,quiet keystrokes,waterproof and dust-proof Built-in Rechargeable lithium battery lasts for approximately 100 hours per charge. backlight ,can freely adjust brightness.Built-in slimmest wireless Bluetooth 3.0 keyboard With any problems, please do not hesitate to email us firstly, we will offer you the best service and try our best to help you out! Your support and trust will be our most powerful force to do better and better! Many thanks for your cooperation in ahead