DLAND 5500 DPI 7 Button USB Wired Gaming Gamer Mouse With 3D Mouse Pad For Pro Game Notebook PC Laptop Computer This mouse is intelligent connectivity, no need to code, plug & play (No need CD driver) Buttons: 7 buttons with scroll wheelCconvenient :9 programmable buttons easily activate spells, items, and custom macros in your favorite MMO. Adjustable DPI Switch: 1000DPI/ 1600DPI/ 2400DPI/ 3200DPI/ 5500DPI The DPI LED color light will be constantly changed after set up to certain gear. The DPI LED color light will be constantly changed after set up to certain gear.