Medical Natural Stone Magnetic Necklace with 31 Permanent Relieves Stiff Promotes Blood Made in Japan [MIONO] [AIR SEVEN] <Regulated Device> Magnets,

It has been certified as a "regulated medical device" that is expected to improve stiffness and blood circulation. Uses 31 powerful anisotropic ferrite magnets with a permanent magnetic force of 120mT. A simple design that goes with any occasion or outfit. Unisex design for utilitarian use. [JAPAN MADE] quality that pursues quality and functionality. [Regulated medical device] Expected to improve stiffness and blood circulation.