Microsoft Comfort Mouse 4500 for Business Performance wherever you go. Work in comfort, stay in control. Work anywhere with this full-featured mouse, which delivers comfort in either hand and the precise control of Microsoft. BlueTrack TechnologyTM at a great value. BlueTrack Technology BlueTrack Technology Work anywhere with the world's most advanced tracking. Comfort and durability Rubber side grips and a contoured shape for either hand. Dust-resistant design allows you to track confidently. Tilt Wheel Easy horizontal and vertical scrolling. 5 customizable buttons Personalize your mouse any way you want. 3-year limited hardware warranty System Requirements - Windows� 7, Windows Vista�, Windows XP (excluding Windows XP 64-bit).

• Brand: Microsoft
• Color: Lochness Gray
• Number of Buttons: 5
• Hand Orientation: Right, Ambidextrous
• Blue Track Technology: Work anywhere with the world's most advanced tracking.
• Comfort and durability: Rubber side grips and a contoured shape for either hand. Dust-resistant design allows you to track confidently.
• Tilt Wheel: Easy horizontal and vertical scrolling.
• 5 customizable buttons: Personalize your mouse any way you want.