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

Technical Details

Size (LWH): 7.75 inches, 6.1 inches, 3.5 inches
Product Details
Product Dimensions: 7.75 x 6.1 x 3.5 inches
Shipping Weight: 0.7 pounds (View shipping rates and policies)
ASIN : B002OOWB3O