The Meetion MT-M990S features a mechanical double-wing design that is matched with the scif armor wheel shape, such as the science fiction chariot to conquer the world. The left and right symmetrical design follows ergonomics, feels comfortable and holds firmly. It comes with Four-level DPI adjustable by the top DPI button to ensure precise positioning and speed. It supports 500-4000 dpi. It comes with 8+1 Buttons. The button is crisp and responsive, and the rebound responds quickly allowing you to take a step in the game. It is equipped with game-quality chips, it is carefully configured for e-sports players. Excellent reaction speed and stability handing performance. It delivers 125-1000 Hz/ms polling rate and has a maximum frame rate of 4000 fps. The Meetion MT-M990S comes with a 1-year warranty.