What is your global warranty on your products?
Unfortunately, we do not offer global warranty on our products.
We have some problems with your product. I need a service manual to check for potential problems, so can repair it ourselves.
Unfortunately, we do not provide technical manuals to end users, you can contact customer support for assistance.
When I use gaming mouse in FPS game, the mouse jolts sometimes. Why?
The mouse jolts on some surfaces, use the bundled mouse pad to solve this problem.