Brand: Logitech Model: 910-005177 Color: Graphite Condition: New(other), See photos. Item or your money back. In Packaging?: Yes Functional?: Yes Assembly Required?: No ERGONOMIC DESIGN FOR MORE COMFORT: Customize the trackball angle from 0 20 for a more natural, comfortable hand position. 20% less muscle fatigue*. * Than a regular mouse.
eBay