... health care,slimming and beauty function Multichoice,comfortable,waterproof infrared warm device This under blanket is specially designed for 2 usage ... vitality, relieving the condition of various muscle pains and keeping warm during cold weather.Safety Ultra-low volts (DC 36V) is ... blanket is used for eradiating heat to keep the body warm and healthy. II. Safety of the systemThis system applies low ...