The MM531 features sleek ergonomic styling and side grips ideal for palm grippers. Designed with gaming in mind, the mouse comes equipped with precise Pixart 3360 optical sensor with lag-free 1:1 input , on-the-fly DPI adjustments up to 12000, Omron switches for left and right click, as well as PBT material for rugged durability. Well-balanced and packed with features, this a gaming mouse custom-tailored for high-action competition in first-person shooters.