A4Tech OP-720S Wired Silent Click Mouse | Black
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.
Silent Clicks (Model No.: OP-720S)
5 M Clicks Button Lifetime
1000 DPI – 8 in One – 4-way Wheel