Static Electricity Removal Bracelet Bangle Black This anti-static bracelet works by forming a magnetic ring to adjust the positive and negative ratio of electrical current in the human body, thereby eliminating static electricity. It was a gift. I don't know the details. Please judge from the photos. 11-35 0003030 Within 3 Although unused, it has been opened once for inspection. Only those who understand this, please purchase. m(_ _)m #sa ★