Wireless mouse M310 is the easy-to-use mouse that feels just right. The full-size, contoured design with soft rubber grips feels good in either hand. Can go for a year without battery hassles. An on/off switch and smart sleep mode extend battery life, while an indicator light eliminates surprises. Reliability of a cord with wireless convenience and freedom, fast data transmission and virtually no delays or dropouts. With smooth, responsive cursor control, easy text selection and effortless scrolling that touchpads cannot compete with.