Microsoft Optical Technology: High performance Optical Technology - no mouse ball. 800 dpi optical sensor delivers greater accuracy and control.
Scroll Wheel: Move through your documents quickly without having to click on the on-screen scroll bar.
Comfort: Get a grip with a comfortable design created for either hand.
Compact: Easy to carry along and use on small work spaces.
Easy to Set Up and Use: No software to install, no feature setup required.
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