... service with factory price Tourmaline Neck Pillow, designed to emit far infrared rays and anions from Tourmanium, the mixture of tourmaline, ... about 2.5~13.5micron of infrared rays and it’s matched with infrared rays of human body oneself, so ... blood, performs an antibacterial function. Benefits of TourmalineAbsorption of far infrared will increase blood oxygen content, cells are active,energized, ...