Leasun 9" Slim Rechargeable Bluetooth Keyboard for IOS (Ipod Touch,iphone 4/4s/5/5c/5s/6/plus/ipad/ipad Air/air 2) Long distances for use, up to 10-15 meters (Broacom chipset, the best bluetooth chipset in the world, this chipset made in USA) Compatible with almost any IOS devices with bluetooth function,such as IPAD/IPAD AIR/IPAD AIR2/iPhone4/4s/5/6 Built-in rechargeable lithium battery provides for 200 hours of uninterrupted usage, while auto-sleep feature saves power and ensures you get the most out of every charge. Package includes: Slim bluetooth Keyboard(For IOS System), USB cable, instruction manual. Bluetooth Version: Bluetooth V3.0; Working range: 10M-15M; Size: (230mm*122mm*5mm)