Description: Use with all four major operating systems supporting Bluetooth (for iOS, for Android, for Mac OS and for Windows) With useful shortcut keys, only one keystroke is required to control the application which can improve your work efficiency. The bluetooth keyboard grips the desk well and doesn't move around with the rubber pad on the bottom. NOTE: The multimedia keys are not fully compatible with Mac OS system The universal wireless bluetooth keyboard uses built-in lithium battery, can be easily recharged through USB cable, no need to change the battery. The Built-in Rechargeable battery is incredibly long-lasting, standby time is about 6 months between charges. The bluetooth wireless keyboard can automatically enter into sleep mode in order to save energy. Advanced Bluetooth technology provides a cable-free connection with an operating range of 10 meters. The whisper-quiet, low-profile keys bring a whole new level of comfort to your fingertips. Besides, keep all your most-used functions and media controls closer than ever Windows-dedicated hot keys Specification: Connect method: Bluetooth 3.0 Dimensions: 14.4x4.68x0.23inch Item weight:480g After packaging weight:550g Charge time: about 2 hours Keys life: 3 milion clicks Number of keys: 104 keys System requirements for iPad, i Phone All versions Bluetooth-enabled PCs or Laptops with Windows XP ~10 Smartphones or tablets with Android 3.0 and above Bluetooth-enabled Macbooks with Mac OS X 10.2.8 or above NOTE:This keyboard is not fully compatible with Mac OS systems, the multimedia keys are not fully compatible with Mac OS systems Package Includes: 1 x Bluetooth Keyboard 1 x Charging Cable 1 x User manual