Keyboard - compact, membrane, wireless, low profile keys, american (international) keyboard layout, Bluetooth and Wireless USB receiver, with AAA batteries, black colour Write the report on your computer, then press the Easy-Switch button to switch and write the message on your phone or tablet. This versatile keyboard, compatible with Windows, Mac, Android, and iOS (iPhone and iPad), recognizes the type of connected device, making it all right where you expect it. Two pre-installed AAA batteries with a life of up to 24 months, automatic sleep function, on / off button, battery status indicator, all equipped with this compact Logitech K780 keyboard. Two wireless options are available: Logitech Unifying USB Receiver or Bluetooth Smart.Sorry, you are trying to display a video that is not supported by your device.OffWrite and switch between devicesWrite a report on your computer, then press the Easy-Switch button to switch and write a message on your phone...