Logitech Wireless Mouse M185A simple, reliable mouse with plug and play wireless. Reliable wireless No delays or dropouts. The tiny wireless receiver gives you a connection you can count on. All year power pack With 12 months of battery life, you don't have to deal with the hassle of frequent battery changes. Built to last You'll enjoy the high quality and reliability Logitech is known for plus a 3 year limited hardware warranty. Radio Frequency wireless connectivity offers more