Logitech Trackman Marble

TRACKBALL COMFORT – Sculpted ambidexterous shape supports your right or left hand and stays in one place—move the cursor without moving your arm CONVENIENT CONTROLS – Moving quickly between documents or browsing your favorite Web sites is a breeze with large, easy-to-reach Back/Forward buttons ZERO SETUP REQUIRED – Flexible wired connectivity means you just plug the cable into your USB or PS/2 port – it works right out of the box. PROGRAMMABLE CONTROLS – Configure the buttons to do exactly what you want like switching applications, opening browser windows or jump to full screen while watching videos BUILT BY LOGITECH – This mouse comes with the quality and design we’ve built into more than a billion mice, more than any other manufacturer