An ergonomic mouse with a thumb-operated ball that puts comfort and control under your thumb.

Features:

• Ergonomic, right-handed design - Your hand stays comfortable and supported hour after hour thanks to the ergonomic design with a long, broad palm area, gentle curves, and a stable base.
• Scroll wheel - Navigating through pages and pages is a breeze with the scroll wheel.
• Thumb-operated ball - You’ll enjoy fast, accurate cursor movement with just a move of your thumb.
• Marble® optical technology - Our patented technology gives you smooth tracking on almost any surface so you can be productive wherever you work.*