Light keeps the Wireless Solar Keyboard K750 charged and ready - even indoors - so it works where you do. It charges itself with lamplight or sunlight, indoors or outdoors. On a full charge, it works for at least three months - even in total darkness. With Advanced 2.4 GHZ Wireless, the long-range connection virtually eliminates delays, dropouts and interference. The tiny unifying receiver stays in your laptop, and you can easily add a compatible wireless mouse without the hassle of multiple USB receivers. With sleek lines and a thin profile, this stylish, streamlined keyboard adds style to your workspace. All the keys in the familiar Mac layout are exactly where you expect them to be, including music and brightness controls, command keys and the eject key. Concave keycap design allows faster, quieter typing. Keyboard requires no software to install. Simply plug the wireless receiver into a USB port on your computer and start using your keyboard right away.