Item name: Magnetic Therapy Bracelet Gender: Unisex（8mm for female,10mm for male) Materials: Hematite,Magnetic Gemstone Pattern: As picture show Health function: Health care, Magnetic therapy, Reduce weight etc. Package included:1 pc Magnetic Bracelet About Hematite: Black gallstone, also known as hematite, is often called black diamond. Very rare and precious. Pure natural, magnetic, with health care functions, health fashion. Long-term wear of magnetic jewelry, for hypertension, rheumatism, arthritis, neurasthenia. Insomnia and muscle soreness have certain auxiliary rib effect. Pure natural, magnetic, with health care functions. It can absorb and eliminate negative energy, enhance human vitality, physical strength and overall vitality. It is the representative gem of health and longevity. Note: 1. Pacemaker or in patients after cardiac surgery can't contact. 2. The magnet can not contact with magnetic card, bank card, meal card, the bus card, student card, etc., mobile phone, computer electronic items. 3.Due to different producing batches,product details might be a little different. 4.If you minding the difference, please buy it carefully. 5.Please allow 0.1mm-1cm differs due to manual measurement. 6.Due to the different display and different light, the picture may not reflect the actual color of the item. 7.Thanks for your understanding.