With the K380 Multi-Device, you can easily connect to and type on all your computing devices: Windows, Mac, ChromeOS, Android, iOS (iPhone and iPad) and Apple TV (2nd and 3rd generations only). Use this compact, lightweight keyboard to type anywhere around the home. Dedicated Easy-Switchbuttons make it easy to connect with up to three devices and instantly switch between them. No matter what device is connected to the keyboard, the typing experience is familiar and includes your favourite hotkeys and shortcuts. The 2-year battery life virtually eliminates battery worries and lets you focus on what youre typing. Keyboard battery life calculation based on an estimated two million keystrokes/year in an office environment. User experience may vary. Keyboard On/off switch Yes Bluetooth version 3.0 Fingerprint reader No Purpose Universal USB hub No Hot keys Yes Numeric keypad No Keyboard form factor Mini Pointing device No Keyboard language US International Keyboard layout QWERTY Device i