Navigate with precision and health in mind Our Avant Wireless Optical Mouse has antimicrobial additives built-into the durable ABS casing to help prevent growth of bacteria and germs between cleanings. 3 buttons, scroll wheel and ergonomic shape make it comfortable to use. Maximizes your battery life with the on/off switch and built-in sleep mode. Optical sensor with resolution of 1000 DPI glides easily over mousepads. Powered by two AAA batteries, inserted.