Type on your computer, smartphone and tablet with one fully equipped and beautifully finished keyboard. The K780 Multi-Device lets you switch typing easily between all the devices you enter text on. It connects to three devices at once so you can write an email on your computer, then reply to a message on your phone with the same keyboard, at the touch of an Easy-Switch button. A rubber cradle holds phones and tablets at a perfect angle as you type comfortably on whisper-quiet keys. It works with Windows, Mac, Android and iOS. Choose to connect with a Logitech Unifying USB receiver or Bluetooth Smart technology. Included in the box: Multi-device wireless keyboard for computer, phone and tablet 2 AAA batteries USB receiver User documentation 2-year manufacturer's guarantee and full product support