• Proprietary High Definition Optical Technology puts ultimate performance in the palm of your hand. Microsoft's new line of High Definition mice uses technology that is two generations ahead of standard optical and laser mice. These mice are equipped with the exclusive Microsoft Intelligent Tracking System for smoother tracking, 1,000 DPI for more responsiveness and 6,000 FPS for better precision.
  
  
• Compact Tilt Wheel is an innovative design specifically developed for notebook mice. The smaller wheel scrolls horizontally and vertically, making it quicker and easier to navigate long Web pages or spreadsheets.
  
  
• Magnifier tool enlarges any section of the screen, enabling real-time magnified viewing and editing of images, documents, Web sites and more. Simply push the Magnifier button and move the cursor over any portion of the screen you want to enlarge.
  
  
• Integrated buttons, compact shape and ambidextrous form deliver new ways to click with superior mobility. With four buttons, including the Tilt Wheel and Magnifier, a stylish blue LED, sculpted finger grooves, and rubber side grips, this notebook mouse enhances and simplifies everyday mobile PC activities.

Windows

• Microsoft Windows 2000, Windows XP Professional, Windows XP Home Edition, Windows XP Media Center Edition or Windows XP Tablet PC Edition
• 60 MB of available hard disk space (install 100 MB)
• CD-ROM drive
• An available PS/2 or USB port on the PC

Macintosh

• Mac OS X v10.2 to 10.3.x operating system (OS 10.0 to 10.1 is not supported)
• CD-ROM drive
• USB port