About this item Cable-Free: Use Bluetooth Connection with your mobile devices such as tablets and mobile phones. Bring you more convenience when you need to type. Operating distance up to 10 meters. Broad Compatibility: supporting Bluetooth 5.2 and Backward Compatible for all other Bluetooth Versions. Compatible with all four major operating systems (iOS, Android, Mac OS and Windows), including iPad 10.2-inch / Air / iPad Pro / iPad 9.7-inch / iPad Mini / iPhone / Android Tablets like Samsung Galaxy Tab, Google Nexus / Windows, etc. Convenient Layout: US QWERTY layout with hot keys customized for all iPads, including volume, music control, brightness, etc. Long Battery Life: Energy-saving design and automatic sleep mode allow up to 4 months between battery changes. (Based on 2 hours' non-stop use per day) (Li-On Rechargeable batteries – included) Package contents: UrbanX KB030 Bluetooth Keyboard, welcome guide, our 90 Days warranty and friendly customer service.