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Germanium is a weak current called biological current. Germanium is a conductor that conducts electricity when it reaches 32 degrees Celsius. Germanium conductors have properties to bond with electrically charged substances and positively works if the opponent is negative. Titanium reduces bad positive ions and allows for better ion balance. The human body is composed of positive electricity "atomic nucle" and "electron" of negative electronics, which is balanced and weak electricity flow. This is a bio-current, and titanium can maintain positive and negative north. Ingredients: Germanium powder 1, nylon fiber, PVC (germanium blend), ABS resin titanium powder PVC (titanium blend), ABS resin; Note: Please keep out of reach of reach of children to prevent them from accidentally swallowing them. If any abnormalities such as itching or rash, please stop using it immediately. Do not store in high temperature and humidity.