The Adesso iMouse M60- Antimicrobial Wireless Mouse made with antimicrobial materials this device prevents the growth of harmful bacteria and protects against the build up germs between washings. This mouse allows you to work freely without wires offering 30 feet of wireless freedom. With the on/off switch and built in Auto-Sleep features you can automatically maximize your battery life when your mouse is not in use. Navigate quickly and smoothly with the EZ Glide scroll wheel. The enhanced Optical sensor improves precision and even lets you work on most glass marble wood and leather surfaces without the need of a mouse pad. With an optical resolution of 1200 DPI you can browse comfortably basically on any surface.