Type-on-anything universal keyboard Switch easily between devices Type in comfort Multi-platform and cross-platform Please refer to compatibility information present below keyboard for your computer - that also works with your smartphone or tablet.Bluetooth range: up to 10 meter (33 feet) Just turn the Easy-Switch dial to switch typing between 3 connected Bluetooth wireless devices The integrated cradle holds your phone or tablet at just the right angle for you to read while you type. Most phones and tablets up to 10.5 millimeter 0.4 inches thick and 258 millimeter 10 inches wide System Requirements:PC: Windows 7, Windows 8, Windows 10Mac: Mac OS X or laterChrome OSiPad or iPhone: iOS 5 or laterAndroid tablet or smartphone: Android 3.2 or later 1-Year Limited Hardware Warranty : Designed for easy and comfortable typing, including shortcut keys for Windows and Mac For Windows, Mac or Chrome computers, Android or iOS mobile devices. Weight: 820 g (1.81 pounds)