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Ambidextrous trackball design
A trackball design with a long, broad palm area and gentle curves keeps your hand comfortable and supported all day-whether you use your right or left hand.
Stable base
Your hand stays comfortable all day long with this stay-put design. Plus, it saves you space.
Convenient button controls
Buttons let you easily move forward and backward when you're surfing the Web.
Fingertip-based control
You’ll enjoy fast, accurate cursor movement with just a move of your finger.
Marble® optical technology
Our patented technology gives you smooth tracking on almost any surface so you can be productive wherever you work.*
* Does not work on clear glass or mirrors
from Jemison Al. on 2/13/2011
Comments about Logitech Logitech Trackman Marble Mouse Trackball:
I have had this mouse and 2 more like, it on different computers, for over 6+ years and I love it! It is great for gaming and everything else. It requires no more room than its footprint unlike a regular mouse that moves all over the place. took a little getting used to but not a lot.