5M Clicks Button Lifetime - Extreme quality offer over 5 million clicks guaranteed. Wider Scroll Wheel - Wider scoll wheel provides fingerfit comfort for long time use. 8-in-One - 8 gestures to perform selectable hotkey commands.
Others
Ergonomic Design: Symmetric
Specialty
The A4tech optical wheel Mouse with hyper-fast scrolling for increased productivity. A nearly frictionless scroll wheel lets you fly through long documents and Web pages with a single flick. Experience smoother cursor control on virtually any surface. Contoured design give you more support and control.
