Kensington Orbit Trackball Mouse with Scroll Ring (K72337US)

Feature

Trackball Mouse with Scroll Ring for comfort and precision
Customizable 2-Button design via TrackballWorks software
Compatible with Windows (including Windows 8) and Mac OS Computers
Scroll ring allows fast, easy scrolling of web pages and documents
Uses far less desk space than a mouse
Optical technology for precise tracking - no cleaning required
Click-free scrolling
USB connectivity

Description

All-day comfort and scrolling come together in the Kensington Orbit Trackball with Scroll Ring. The scroll ring allows you to fly through web pages and documents. And all while delivering comfort and space savings no mouse can match. PC and Mac compatible.