? Perfect Compatibility: LeaningTech Bluetooth keyboard supports 3 major operating systems-IOS?Android and Windows. It is compatible with most of tablets and smart phones like iPad, iPhone, Samsung, LG, Nexus, Huawei, ZTE, etc. | ? Compact and Portable: With a small fold size of 9.4 *2.2*.07 inches, you can use LeaningTech Bluetooth keyboard anywhere. | ? Durable: LeaningTech Bluetooth keyboard is made of Aluminum Alloy, which provides you with a smooth typing experience. Built in kickstand holders hold and prop up your device, thus you can use your tablets and smart phones at an ideal viewing angle. | ?Easy Operation: Automatically turn on/off power by simply opening or closing the keyboard; Pressing Fn + C on the keyboard to open the Bluetooth signal and select the Bluetooth keyboard 3.0 to connect the Bluetooth. | ? Long Working Time: Built-in rechargeable Li-polymer battery, it provides more than 40 hours of using time after one full charged. Its standby time is up to 60 Days. Charge time is around 2 hours.