Redragon M719 INVADER Wired Optical Gaming Mouse, 7 Programmable Buttons, RGB Backlit, 10,000 DPI, Ergonomic PC Computer Gaming Mice with Fire Button - Black: .5 Adjustable DPI Levels and 4 Polling Rate M719 mouse is designed with 5 DPI levels available: DPI 500/1000/2000/3000/5000. DPI can be adjusted freely by ±100 from 100 to 10000 via software to meet all your needs. 4 polling rate is adjustable: 125Hz/250Hz/500Hz/1000Hz, high polling rate e