Logitech Wireless Mouse Blue M190 #910-005914 improves your computing experience by combining reliable performance, a comfortable design, and easy wireless connectivity. With a range of up to 10 meters (33 feet), the USB receiver provides a dependable and secure connection, allowing you to be more flexible in your workspace. It has an extended battery life of up to 18 months on a single AA battery. The convenient on/off switch conserves power when the mouse is not in use. This mouse is designed to be easy to set up and use by plugging the tiny USB receiver into your computer. When used for an extended period, it has a comfortable and ergonomic design that fits snugly in your hand, reducing strain and fatigue.