Microsoft® Comfort 4500 Wired Optical Mouse, USB, Left/Right Hand Use, Loch Ness Gray

Contoured, ergonomic design with cushioned rubber side grips provides left and right hand users with an exceptionally comfortable use experience. High-performance speed and accuracy help improve efficiency. BlueTrack™ technology enables effective tracking on nearly any surface, even carpet. Four-way scroll wheel allows you to navigate horizontally or vertically. Five customizable buttons.
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Contoured, ergonomic design with cushioned rubber side grips provides left and right hand users with an exceptionally comfortable use experience. High-performance speed and accuracy help improve efficiency. BlueTrack™ technology enables effective tracking on nearly any surface, even carpet. Four-way scroll wheel allows you to navigate horizontally or vertically. Five customizable buttons can give you one-click access to the files and documents you open most.