Introducing the Logitech Bluetoothテつョ illuminated keyboard K810 for Windows, Android and iOS-a stylish, backlit keyboard with one-touch easy-switching between your PC, tablet and smartphone. With the Logitech Bluetoothテつョ illuminated keyboard K810 - performance shines through in style. Keys are sharp, bright and always easy to read thanks to auto-adjusting illumination which dims or brightens depending on the amount of light in the room.