Use a universal keyboard to type on anything. Easily switch between devices Comfortably type on a computer keyboard that is cross-platform and multi-platform, compatible with tablets and smartphones. Range of Bluetooth: up to 10 meters (33 feet) To switch between typing on three Bluetooth wireless devices that are connected, simply turn the Easy-Switch dial. Your phone or tablet is held at the ideal angle by the built-in cradle so you can read while typing. The majority of phones and tablets are up to 258 mm (10 inches) wide and 10.5 mm (0.4 inches) thick. Included are Windows and Mac shortcut keys for convenient and comfortable typing. For Android or iOS mobile devices and Windows, Mac, or Chrome PCs.