Logitech TrackMan Wheel is perfect for long hours of use, Logitech TrackMan Wheel features a sleek design and intuitive placement of the ball, scroll wheel, and buttons, the Logitech TrackMan Wheel fits comfortably in your right hand and delivers smooth, ultra-precise tracking through Logitech's optical Marble technology. And because the TrackMan records motion optically instead of with mechanical parts, there's no need for regular cleaning.

The familiarity of a mouse with the convenience of a trackball. Designed for comfort in either hand, this space-saving trackball boasts Logitech's innovative optical tracking system to deliver superior precision and smooth motion with virtually no maintenance or cleaning required!

Comfortable, Smooth, and Precise

• Patented optical marble technology for superior precision and smooth tracking
• Virtually maintenance-free
• Precise thumb control
• Three customizable buttons and a scroll wheel
• Comfortable right-handed design
• Logitech's quality engineering

MouseWare Software included

• WebWheel™ software for smarter Internet browsing
• Easy scrolling on the web, in Windows and Macintosh applications
• A variety of button assignments to customize your mouse buttons

System Requirements for PC

• IBM-compatible PC
• Windows 98, Windows 2000, Windows Me, Windows XP & VISTA
• Available USB port
• Internet connection to download optional customization software available here.

This product is in "like new" condition, and has been factory recertified by a Logitech technician, so you know you're getting a good product! Software (optional) available as a free download here.  They are packaged in a sealed clear OEM style plastic bag.