Gigabyte GM-M6900 Precision Optical Gaming Mouse 4 Way tilt-wheel scrolling provides more functionality and more application. Gold-plated USB connector 1.8m strengthened cable customized for the professional gamer. 3 Stage DPI indicator (Default 800 / 1600 / 2000 DPI; customizale 400-3200DPI adjustment via software) GIGABYTE FORCE application: Simple drag-down menu enables user to set up mouse fucntion depending on personal requirement.