Comfort no mouse can match.

Navigate with greater comfort and precision while saving valuable desktop space with the Kensington Expert Mouse Optical USB Trackball. Its optical technology delivers precise cursor control with the touch of a finger while the two-button design provides an interface that’s familiar to mouse users.

• KensingtonWorks lets you customize all 4 buttons, set cursor speed
• DiamondEye optical tracking technology for premium cursor control and accuracy
• Patented Scroll Ring lets you scan up and down pages with ease
• Large 55mm ball is designed as a perfect sphere to provide exceptional precision
• Detachable wrist rest supports hand and wrist for ergonomic comfort
• Reliable wired USB connection
• Kensington worked directly with Microsoft to provide professional-level solutions that look as good as they function, so you can work like a pro