A4Tech OP-720S Mouse Black

Mouse with optical scroll for ultra-fast scrolling, improving productivity. The scroll wheel allows you to browse long documents and web pages with a single motion. Experience enhanced cursor control smoothness on virtually any surface. Contoured design for greater support and control. Features Silent click. Focus on your work without disturbing others Button lifespan. High quality ensures over 5 million clicks 1200 DPI. Guaranteed smooth and precise tracking on any surface Dustproof scroll. Dust-resistant construction extends scroll wheel lifespan 8-in-1 function. Assign various actions to the programmable button using 8 defined gestures 4D scroll wheel. Four-direction scrolling — vertical and horizontal