... Characters:1, More than 70kinds of Energy element(titanium, germanium, titan, tourmaline, bioceramic, permanent magnetic etc.)2, ... Necklace1, More than 70kinds of Energy element(titanium, germanium, titan, tourmaline, bioceramic, permanent magnetic etc.)2, ... structure of Energy ElementDetail info about product1. Material: Titanium, germanium, negative ions, silicone/fabric, POM/ stainless steel clip2. ...