The compact ASUS Marsh mallow Mouse MD100 adds a dash of vibrancy to your day with its quick-switch magnetic covers, and a handy strap that makes it easy to carry around. For safety and better hygiene, the covers include ASUS Antimicrobial Guard treatment to inhibit the growth of harmful bacteria. ASUS Mars hmallow Mouse MD100 also offers easily adjustable DPI levels for varying degrees of precision, plus 100% PTFE mouse feet for a smooth glide on any flat surface.