A stylish keyboard with bright, backlit keys & one touch easy-switching between your PC, tablet, & smartphone. Logitech Bluetooth Illuminated Keyboard K810 -- performance shines through in style. Laser-etched backlit keys Type easily in low light & even in the dark. Back lighting ensures the keys are sharp, bright & always easy to read in any light. Only the key characters are illuminated, so you see just what you need to see without distraction. Auto-adjusting illumination The illumination automatically adjusts to suit the light conditions in the room. You can also manually adjust the brightness of the illumination using the F5 & F6 keys. Designed for Windows 8, compatible with Android & i OS This keyboard has specific keys to help you easily navigate the new Windows 8 style user interface. The Windows 8 Start key provides an easy way to get back to your start screen. The App Switching FN key means that you can quickly toggle between your open apps. Although it was specially designed for Windows 8, this keyboard also works well with Windows 7, i OS & Android operating systems. Hand proximity detection A motion sensor detects your hands as they approach the keyboard & turns the backlight on/off to help you save power when you are not typing. Logitech Easy-Switch Press one button to switch in a second between your Bluetooth devices. Logitech Easy-Switch means that you can quickly toggle between typing an email on your Windows® PC, to taking notes on your Apple® iPad®, to replying to a text on your Android smartphone. Reliable Bluetooth connection Pair the keyboard with your PC, tablet & smartphone easily over Bluetooth. The fast, reliable connection means that you can move & type on the keyboard anywhere within 30 feet (9 meters) of your Bluetooth devices. Simply stylish The keyboard case is real, brushed aluminum with a high-grade finish to complement the design, look & feel of today's trendiest PCs, Ultrabooks