Determine if the lag occurs at 1K or 4K/8K polling rate.

The lag at 1K polling rate:

If cleaning the dust in the mouse doesn't help, update the firmware and driver.

If the problem is not solved by methods above, please contact customer service for warranty assistance.

The lag at 4K/8K polling rate depends on your computer and game. Some games like Apex, Minecraft, Fortnite don't work well at 4K+.

4K requires: Intel Core I7 or above, 16GB or above, 1080 standard graphics card, 144Hz or above refresh rate.

8K requires: Intel Core i7 9700K or above, AMD Ryzen 7 3700X or above, NVIDIA GTX1080 or above, AMD RX5700 or above

Display: 240Hz or above

Memory: 16GB or above