Ambidextrous trackball design

A trackball design with a long, broad palm area and gentle curves

Keeps your hand comfortable and supported all day

Stable base - Your hand stays comfortable all day long with this stay-put design

Convenient button controls

Buttons let you easily move forward and backward when you're surfing the Web

Fingertip-based control - Fast, accurate cursor movement with just a move of your finger

Marble optical technology

3-year limited hardware warranty

Trackball mouse from Logitech. Very stable base and marble optical technology. Ambidextrous design for universal usage.