Ipad Air 2 Bluetooth Keyboard,CrazyFire Ultra-Slim Portable Bluetooth Wireless Keyboard with Aluminium Alloy for Android Tablet iOS iPad Windows MID (Black) CrazyFire Ultra-slim bluetooth keyboard hairline finish treatment Compatible for windows/Android/IOS system,78 chocolate keys Aluminum alloy cover(3.65mm thickness),Scissor type keyboard,good typing. Uses USA BROADCOM Bluetooth module 3.0,Standard MICR interface Lithium Battery Capacity:280mAh,90 hours continuous use per charge