Rapoo N100 Wired Optical Mouse with 1600DPI connector typeWiredbrandRAPOOdistinctive featureWired, Optical, Wirelessmovement detection technologyopticalColourBlack about this item Max. Resolution (dpi) -1600 Button life - 5 million times Max. Tracking speed (inch/s)-30 Max. Acceleration (g) - 10 Working voltage (V) -5 Max. Working Current(mA)-30 3 years warranty