[1] Logitech has unveiled a new K480 Bluetooth keyboard that works with all of our everyday devices, such as smartphones, tablets and computers.
[2] The keyboard has an Easy-Switch dial on the left edge of the keyboard that makes switching between three connected devices and typing easier.
[3] It also contains familiar shortcut keys for PCs, Macs, Android and iOS devices. Users are able to use a single keyboard to seamlessly switch to multiple screens.
[Source] http://www.techguide.com.au/reviews/computers/2838-logitech-k480-keyboard-links-to-all-your-devices