Description:  1.Wide Range Compatibility: This bluetooth keyboard supports THREE major  operating systems: IOS, Android and Windows, workable for most of tablets and  smart phones like ipad,iphone,Samsung, LG, Nexus, Huawei, ZTE etc.  2.Smart and Easy Operation: With Bluetooth Broadcom 3.0 chip, this bluetooth  wireless keyboard is 8 times faster than the Bluetooth 2.0. Operating distance  can be 10m. Automatically turn on/off power by simply opening or closing the  keyboard, By pressing "Fn+C" simultaneously on the keyboard and connect the  bluetooth, then you can start your work immediately.  3.Aluminum Alloy Housing with Stand: Unlike other similar design plastic  keyboard, this bluetooth keyboard housing is made of ALUMINUM ALLOY makes it  smooth and luxury. Built-in Kickstand holders to hold and prop up your device,  you can use your tablets and smart phones at an ideal viewing angle.  4.Natural and Small: Aluminum Alloy housing and ABS material keys. Maintaining  over 85% the typing space of a desktop keyboard, the wireless keyboard offers  you same fast, natural typing experience. When folding this bluetooth keyboard,  the width is only 2.20 Inch, easily stows in a backpack, pocket, it's portable  and lightweight.  5.Lasting Power Supply: Built in powerful lithium polymer battery lasts up to  65~75 Hours for continuous using, and standby time can be 180 days.    Specifications:  Bluetooth version: Bluetooth 3.0  Operating distance: About 10m  Lithium battery capacity: 400mAh  Charging time:<4 hours  Uninterrupted Time: About 65-75 hours  Standby time: About 180 days.  Folding size: 8.9 x 2.2 x 0.63 Inches, Open size:8.9 x 6.62 x 0.16 Inches.    Package  includes:  1X folding keyboard  1X User Manual