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.
SPECIFICATIONS
Model：OP-720
Type: Wired
Ergonomic Design: Symmetric
Sensor : Optical
Resolution: 1200 DPI
Buttons No.: 3
Port: USB or PS2
Cable Length: 150 cm
Net Weight:86 g (w/ cable)
System Requirements: Windows XP / Vista / 7 / 8 / 8.1 / 10