A4TECH 800DPI Wired USB Mouse. Ergonomic Design. Double Click Button. Convenient Scroll Wheel.
The OP-620D A4tech optical wheel Mouse comes 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. A contoured design gives you more support and control.