Chasing Leopard V17 USB 2400DPI Four-speed Adjustable Line Pattern Wired Optical Gaming Mouse with LED Breathing Light, Length: 1.45m(Black)1. 800 1200 1600 2400DPI 4 speed adjustment, multi color breathing light can be switched freely. 2. Optical engine, accurate positioning, fast response, and millisecond level button response speed. 3. Non slip pattern flank, designed to fit the thumb, suitable for gamers. 4. The left wing is equipped with the forward button and the back button, which effectively provides the game player with multiple click buttons, and it is more convenient to view