... with factory price Tourmaline Neck Pillow, designed to emit far infrared rays and anions from Tourmanium, the mixture of tourmaline, ... emits about 2.5~13.5micron of infrared rays and it’s matched with infrared rays of human body oneself, so ... of TourmalineAbsorption of far infrared will increase blood oxygen content, cells are active,energized, brain activity and immune system improved Improve blood ...