Bluetooth Easy-Switch keyboard for Mac, iPad and iPhone. Beautifully designed, illuminated keyboard to use across Apple devices. Logitech Easy-Switch allows typing on Mac and toggling over to iPad or iPhone with touch of button. Keys are sharp, bright, always easy to read and auto-adjusting illumination which dims or brightens depending on amount of light in room. With USB rechargability, you’ll never run out of power. Easily top up keyboard with convenient USB cable and continue to work. Can enjoy between 10 days (or more) and up to year of power, depending on intensity of illumination and time spent typing. Pair keyboard with Mac, iPad and iPhone easily over Bluetooth. Fast, reliable connection allows to move and type on keyboard anywhere within 30ft (9m) of Apple devices. Type easily in low light and even in dark. Back lighting ensures keys are sharp, bright and always easy to read in any light. Only key characters are illuminated, so can see what need to be seen without distraction. Motion sensor detects hands as they approach keyboard and turns backlight on/off to help save power when not typing.