Features: Use on most work surfaces - no mouse pad required. Optical sensor stays precise - no moving parts to clean. Fast, wheel-based scrolling. Designed for Windows 98/NT

The hassle-free mouse with an eye for precision.
Do you have an uncooperative mouse? Does it skip and jam and cause frustration? Microsoft IntelliMouse Optical is the solution. We've replaced that old-fashioned mouse ball with an IntelliEyeTM optical sensor that tracks movement 1,500 times per second -providing smooth and precise motion. No mouse ball means no moving parts to clean or wear down. And, the optical sensor is sealed in to keep out the dirt and lint that can cause a traditional mouse to skip or jam.
 
Wheel for Scrolling and Zooming
Save time and steps. Move through documents by simply rolling the wheel forward or backward-instead of clicking on a scroll bar. Use the wheel to see either close-up or big-picture views without having to use menus or toolbars (in compatible applications).
 
Two Side Buttons for Easy Internet Navigation.
Browse the Web without using toolbars or the keyboard. Simply use either side button to go forward or backward on the Internet. Or, you can program the buttons to execute routine actions in many of your favorite programs.

Ambidextrous Design for Comfort.
Whether you are left-or right-handed, or have a large or small hand, the design of IntelliMouse Optical feels comfortable. The shape supports your hand and encourages natural posture.
 
No Mouse Ball-Stays Accurate Over Time
Mice that track movement using rubber balls need to be cleaned frequently because dust and lint can make the mechanism stick or skip. The IntelliEye™ sensor has no moving parts, so your mouse is smooth and precise. Learn more about IntelliEye Technology.

 
Optical Sensor Works on Hundreds of Surfaces
The precise optical sensor detects motion on hundreds of surfaces, including wood, plastic, or even your pant leg!

* You no longer need to use a mouse pad.


Five Year Hardware Warranty
 
* - The IntelliEye sensor performs best on surfaces with detail to track. It will not function on surfaces without visible detail (e.g., glass) or surfaces where it will see its reflection (e.g.,mirrors, glossy surfaces). The sensor may also have difficulty tracking on highly repetitive patterns (e.g., some printed photographs from magazines or newspapers).