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.
A4Tech OP-330 USB Optical Office Mouse – 4 Way Wheel Smart Scrolling – 8 Selectable hotkey – 1200DPI – Durable 3 Button Life (5M Click) For PC/MAC – Black