Made for both left- and right-handed users, Hanger Wired Mouse features left and right buttons, silicone housing with curved silhouette, and silicone rubber wire. Product does not require any software or installation setup, and ergonomic grip helps prevent fatigue. With 1,000 dpi sensitivity, optical sensor enables mouse to be used on any surface. Mouse supports Windows XP/Vista/7/8 as well as Linux kernel 2.6 or later and Mac OS X 10.4 or later.