Aptly named, the corded Microsoft Comfort Mouse 4500 gives you the freedom to work comfortably wherever you want. It has rubber side grips and a contoured shape that feels good in either hand. You can track confidently thanks to the dust-resistant design of the Comfort Mouse 4500. The mouse employs BlueTrack technology for precise cursor control on virtually any surface. You'll benefit from five customizable buttons that help ensure confident navigation and peak productivity. Using the tilting scroll wheel, you can scroll either vertically or horizontally. The mouse works with both Windows and Mac operating systems for cross-platform flexibility.