Cosmos &reg; Wireless Bluetooth 3.0 Keyboard for Windows Android iOS Tablet Computer ipad mini ipad air iphone 4 5s galaxy tab Compatible with the iPad and all Bluetooth-enabled tablets, laptops, and computers. Working hours :300 ,Standby hours :4800 Syncs with Bluetooth 3.0 devices easily Require 2 x AAA ( Batteries are not included ) Simple pair and play