took this mouse when carpal tunnel began to develop. I did not feel instant relief, the mouse did not sit down "like a glove." after a course of massages, it became much easier, but still you have to sit with a wristband. Those convenience of the mouse, I would rate at 70 percent. The previous raiser mouse was much more convenient I expected a miracle, a miracle did not happen. The usual good mouse, but no more. 10k is not worth it