For an easy-to-use mouse that feels just right in your left or right hand, try the Logitech® M310 wireless mouse. You'll be comfortable with its contoured design and soft rubber side grips, and the tiny leave-in wireless, USB nano-receiver means your mouse is always ready for use. With 18 months of battery life, you don't have to deal with the hassle of frequent battery changes. Plus, you get long-range, advanced 2.4 GHz wireless connectivity for fast data transmission and virtually no delays or dropouts.