The OEM Logitech K750 Keyboard is a 1/3" thick wireless keyboard powered by any light, making it functional both indoors and outdoors. It can work for at least three months, even in total darkness. The concave key design ensures fast, quiet typing, while the advanced 2.4 GHz wireless technology provides a long-range wireless connection. This keyboard allows for easy addition of a compatible wireless mouse or number pad without the need for multiple USB receivers.