Kensington Orbit Trackball Mouse (K64327F)

Trackball Mouse for comfort and precisionCustomizable 2-Button design via TrackballWorks softwareCompatible with Windows (including Windows 8) and Mac OS ComputersOrbit Optical Trackball MouseComfortable for left or right-handed usersCompact design, stays put and takes up less spaceIt's inexpensive, looks cool and performs wellFive year warrantyKMW64327 UNITED STATIONERS (OP) MOUSE,TRACKBALL,OPT,BKBrand: Kensington, Model:...