The Mercury M1 Pro 4K dongle significantly improves the performance of the Mercury M1 Pro gaming mouse. With a polling rate of 4000 Hz, it provides much faster and more accurate response to mouse movements and clicks, compared to the standard polling rate of 1000 Hz. It is the ideal solution for gamers who seek maximum precision and speed in their games. The dongle easily connects to the mouse and guarantees a stable wireless connection, allowing you to enjoy a smooth gameplay.