Average Reviews:
(More customer reviews)I own three of these - one for each computer I regularly use. They last forever, and never even need cleaning as they never get jumpy. There is never any slippage, so it works much better than a ball-based mouse for things like Quake where you may want to make fast but precise movements.
There are four buttons which can be programmed to do whatever you want. For example, I set one of the extra buttons to be the back button in my web browser. Now I can move through web sites one-handed without having to move the pointed up over the back button constantly. This also allowed me to switch my IE toolbar to use small icons with no text labels, freeing up screen space.
The only possible suggestion I can come up with is that it would be nice if they added on a scroll-wheel like all the new mice seem to have.
I'll never go back to using regular mice as long as Kensington keeps making these.
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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 drag protocols to single-click operations, and snapping the cursor to the default button of a dialog box. The large trackball lets you control the cursor with minimal hand and arm movement, and the four extra-large buttons include identifying outer ridges for use without looking.
The Kensington Expert Mouse trackball comes with a five-year warranty and free technical support.
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