This elegant Nikken Classic Harmony gold tone magnetic chain necklace adds a touch of sophistication to any outfit. Its exclusive design incorporates NIKKEN magnetic technology that contributes to physical balance and helps restore natural energy. Ceramic reflective technology helps provide a warm sense of well-being. 316L stainless steel Neodymium Nickel-free 1000-1200 gauss WARNING: If you use a medical device such as a pacemaker or a magnetically sensitive device such as a surgical implant, you should not use this product and should consult your physician before using magnetic products. Do not place magnetic products in direct contact with magnetically sensitive items such as watches, audio/video tapes, credit cards, portable electronic equipment, USB flash drives, etc.