Bluetooth illuminated keyboard K810 for Windows, Android and iOS. Stylish, backlit keyboard with one touch easy-switching between PC, tablet and smartphone. Keys are sharp, bright, always easy to read and auto-adjusting illumination which dims or brightens depending on amount of light in room. Logitech Easy-Switch allows to quickly change between typing on PC to typing on tablet or smartphone with touch of button. Real, brushed aluminum finish and ultra-thin, compact design will perfectly complement PC, Ultrabook, tablet or smartphone. 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.