Instantaneous Optical Sensor On-the-fly acceleration of up to 60 IPS/15G Huano 10 Million Clicks Polling Rate with Adjustable DPI 200-8,000 DPI 125Hz Four Colors for Life Six LED Buttons That Can Be Programmed Separately Nylon Braided USB Cable, 1.8m Dimensions: 128 x 68 x 41 mm