Ergonomic PC Computer Gaming Mouse with Fire Button, Black, RGB Backlit, 7 Programmable Buttons, Redragon M719 INVADER Wired Optical Gaming Mouse: . Four polling rates and five movable DPI levels The M719 mouse has five different DPI settings: 500, 1000, 2000, 3000, and 5000. Software allows you to freely adjust the DPI by ±100 between 100 and 10,000 to suit your needs. There are four adjustable polling rates: 125 Hz, 250 Hz, 500 Hz, and 1000 Hz. High polling rate e