YCC Team 3200 DPI 7 Button LED Optical USB Wired Professional Gaming Mice with Nano, Ergonomic + Aluminium Base, Black Perfectly designed to fit snugly under your palm, the ergonomic shape of the mice gives gamers the most comfortable gaming experience ever, especially during the most testing of battles. Max dpi: 3200 Sensor. You can move it at either fast or low speeds, and it will always respond onscreen with exacting accuracy and the organic fluidity only possible with an optical sensor. 6 changing LED Color Intuitive drag-and-drop software interface accommodates 27 user-definable commands via 9 programmable buttons over 3 modes Oversized Precision Aim button enables on-the-fly cursor sensitivity adjustment