Tourmaline Auto - Heating knee Guard is compound of Brazil precious stonetourmaline + nano-functional ceramic powder + a special heat sensitivematerials. With the body's temperature, through the transfer of the role oftouching, heat sensitive materials react immediately and release the heat. Withthe increase in thermal energy, the far-infrared negative ions penetrate intothe depths of the skin,and help for the decomposition of lipid peroxidated andother harmful substances, this could release through sweat and urine, also help for the expansion of blood vessels, and promote blood circulation, theactivation of cells, regulating nerve.

Those products are helpful to people who suffer from rheumatism, rheumatoidarthritis, bone hyperplasia, spur, joint pain, knee joint, knee cold, sore legmuscles and other symptoms.