Stylish Magnetic Single Casual Solitaire Necklace [MWJ TOKYO] Women's Necklace, Pendant, Silver, Birthstone, Zirconia, Jewelry, Gift, Women's,

The delicate design makes it hard to believe it's a magnetic necklace. Although the magnetic parts are delicate and small, the four neodymium permanent magnets (150 millitesla) adhere firmly to the neck, and the north and south poles move in accordance with the movement of the body, expanding the range of magnetic force. Maximum magnetic flux density: 150mT (millistella) Medical device certification number: 225AKBZX00162000 The magnetic necklace is a medical device made with permanent magnets using a unique technique and an arrangement of north and south poles. Unlike conventional sports-style magnetic necklaces, it can be worn casually with any style.