Enhance your computer experience with the Kensington Orbit 72337 Trackball with Scroll Ring. This high-quality trackball is designed with optical tracking method and USB connectivity, ensuring smooth and accurate tracking. It is a wired trackball with two buttons and an ergonomic design, making it comfortable to use for extended periods.The black color and model K72337US make it stylish and easy to identify. The trackball comes with a scroll ring, allowing you to easily scroll up and down through web pages. This trackball is perfect for those who want a more comfortable and efficient way to use their computer. Includes wrist rest . In box. Still looks new and not used. Box has edge wear.