The Bluetooth Multi-Device Keyboard K480 is a unique keyboard for your computer. That also works with your tablet and smartphone. The Easy-Switch dial lets you switch typing between 3 connected Bluetooth wireless devices, and you'll find a familiar keyboard layout with shortcut keys for Windows, Mac or Chrome computers, as well as Android and iOS mobile devices.Multi-platform and cross-platform. 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 mm 0.4 inches thick and 258 mm 10 inches wide. System Requirements: PC: Windows 7 Windows 8 Windows 10|Mac: Mac OS X or later|Chrome OS|iPad or iPhone: iOS 5 or later|Android tablet or smartphone: Android 3.2 or later.|Internet connection (for optional software download).