Item Type: Necklaces Chain Type: Link Chainis Gender: Unisex Metals Type: Hematite Function: Magnetic Length: 62cm Magnetic therapy has been used for years to help alleviate pain, reduce inflammation, and improve blood circulation. It is also has been used to reduce stress & anxiety, improve sleep, and enhance overall balance and mood. How to maintenance your Necklace: Wear it every single day, but do not let it touch strong acid, while you swimming or take a shower please take off. Every process is processed by CNC. Our control of quality has always been our pursuit.