Logitech Wireless Solar Keyboard K750 Powered by light, and your amazing ideas. The solar-powered wireless keyboard that makes battery hassles a thing of the past in a streamlined, comfortable design. Light-powered keyboard It doesn’t get more hassle-free than this. This keyboard charges itself whenever there’s light—and stays charged for at least three months in total darkness—so you can say good-bye to battery hassles. Hand happiness Treat your hands right with keys that feel good and make every keystroke comfortable, fluid and whisper-quiet. Logitech Unifying receiver The tiny receiver stays in your laptop. Plus, you can easily add a compatible wireless mouse or keyboard—without the hassle of multiple USB receivers. Small steps, bright future From the PVC-free construction to the fully recyclable box, this keyboard is designed to minimize its footprint. Only 1/3 -inch thick With sleek lines and a thin profile, this stylish, streamlined keyboard adds style to your workspace—whether you’ve got a laptop or desktop. Advanced 2.4 GHz wireless So you can work or play in more places—like your comfy couch—the long-range wireless connection virtually eliminates delays, dropouts and interference. Plug-and-play simplicity Setup takes seconds—you simply plug the wireless receiver into a USB port on your computer and start using your keyboard right away without software. System Requirements Windows-based PC Windows® XP, Windows Vista® or Windows® 7 Light source from sunlight and/or indoor lighting 3-year limited hardware warranty Package Contents Keyboard Logitech Unifying receiver Wireless extender Cleaning cloth