Programmable Gaming Mouse M990S ◆ Transformer Gaming Style. The mechanical double-wing design 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. ◆ Gaming Resolution. Four level DPI adjustable by top DPI button to ensure precise positioning and speed. ◆ Fast Button Response. The button is crisp and responsive, and the rebound responds quickly allowing you to take a step in the game. ◆ Pro Game Chip, In Order to Win. Equipped with game-quality chips, it is carefully configured for e-sports players. Excellent reaction speed and stability handing performance.