Logitech TrackMan Marble Mouse

bAll day comfortb Whichever hand you use, this mouse keeps you comfortable and supported all day—and stays in one place. bBack and forthb Convenient Forward and Backward buttons help you get around the Web with ease. bMarble marvelb Fast, accurate control is right at your fingertip with smooth tracking Marble® optical technology. bAmbidextrous trackball designb A trackball design with a long, broad palm area and gentle curves keeps your hand comfortable and supported all day—whether you use your right or left hand. bStable baseb Your hand stays comfortable all day long with this stay put design. Plus, it saves you space. bConvenient button controlsb Buttons let you easily move forward and backward when you're surfing the Web bFingertip based controlb You’ll enjoy fast, accurate cursor movement with just a move of your finger. bMarble optical technologyb Our patented technology gives you smooth tracking on almost any surface so you can be productive wherever you work. bIn the boxb Logitech TrackMan Marble Logitech software CD for Mac and PC Quick start guide