Are you asking if the magnetic vest is useful? Useful. Moreover, the magnetic vest adopts 180mT flexible permanent magnetic stripe, which is comfortable to use, has a wide range of points and is very effective for human body, and can effectively achieve the effects of high magnetic field and high penetration. According to the principle of ergonomics, the professional design team in Ye He has carefully designed and developed a new generation of Jianbeishen Space Edition. After scientific magnetization, this product can generate a constant static magnetic field to protect your back health.