Please answer the following questions as many as possible,
so we can provide better support for you.
1. ReaSnow S1 firmware version/ APP version
2. your console and game
3. When did you purchase this ReaSnow S1?
Does it ever work properly?
4. a video to show us your trouble will be better(change the sensitivities in APP then show us your mouse movement and the result on screen)
you can upload the video to youtube or other file-sharing servers, and send us the link.