... natural minerals. It concentrates far-infrared ray, Negative oxide ion, sweat stream and other functions, having very good effect ... , and healthy home furnishing products. SWEAT STREAM PHYSICAL THERAPY PAD FEATURES:1. Far-infrared ray, Promote Blood CirculationBecause the ... improve metabolism and immunity. 2. Negative Oxide Ion, Clean the AirNegative oxide ion called “Air vitamin”, it could clean the ...