The Kensington Expert Mouse trackball features four buttons and a large trackball in a symmetrical, ergonomic design for right- or left-handed use. It also offers auto scroll and includes a set of predefined pop-up menus with shortcuts for Microsoft Word, Netscape Navigator, and other applications. In addition, the trackball comes with MouseWorks software for creating personalized shortcut menus of your own, as well as timesaving options such as adjusting cursor speed, changing double-click and .if your download do not automatically please press button beloww
