Thin, wireless keyboard is powered by any light - low light and lamp light, indoors and outdoors - so no battery hassles. Fully charged, the Solar Keyboard K750 works for at least three months - even in total darkness. 1/3 thick keyboard is the perfect match for your Mac with a familiar layout and all the keys you expect, including Command, Brightness and Eject. For more comfortable typing, the unique, concave key design delivers fast, quiet typing. Advanced 2.4 GHz wireless technology offers a long-range wireless connection that virtually eliminates delays, dropouts and interference. Included, tiny, unifying receiver stays in your laptop, and you can easily add a compatible wireless mouse or number pad without the hassle of multiple USB receivers. With plug-and-play simplicity, plug the wireless receiver into a USB port and start using your keyboard right away. The K760 is also designed to reduce its environmental footprint with a fully recyclable box.