PixArt 3325 Sensor for Gaming Instantaneous Acceleration of Up to 100 IPS and 20G 200–10,000 DPI DPI Adjustable 1000Hz Huano 20 Million Clicks Polling Rate RGB Lifetime 16.8 Million Color Options That Can Be Customized Seven Buttons That Can Be Programmed Separately Nylon Braided USB Cable, 1.8m Dimensions: 125 x 62 x 42 mm