Expert Mouse Trackball, USB 2.0, Left/Right Hand Use, Black/Silver

The productivity enhancer professionals use to get more work done in less time. It offers highly accurate cursor control and great comfort for your hand and wrist. TrackballWorks™ software can customize the four buttons, and the Scroll Ring lets you quickly scan up and down your screen.

• This premium trackball mouse employs Diamond Eye® optical technology for smooth, precise cursor movement.
• Its large ball gives you maximum precision and control while tracking.
• The comfortable, ergonomic design includes a detachable wrist rest that cradles hand in comfort.
• Scroll Ring allows precise fingertip scrolling.
• Designed to maximize your productivity.
• USB connectivity.