Feature 1 Fast heating in few seconds 2 Carbon fiber heating wire unlike metal copper wire that conducts electricity washing machine can also clean it 3 This is a intelligence coat for you built in portable source storge pocket easy travel 4 Comfortable and breathable and it s a good partner for your winter going out 5 Face beauty and body shapingActivates various functions between skin and promotes metabolism 6 Body warming and blood circulationWarms the human body consumes excess heat increases blood oxygen and fluidity 7 Vitality restorationProvides deeper adjustment of physiological functions to avoid sub health state and restor the vitality 8 Pain reliefCan improve the body s microcirculation dredge and activate the meridians eliminate local pain and inflammation 9 Infrared heating with no harmful radiation and stable performance is safe and reliable environmentally friendly energy saving soft and comfortable Specification Size M L XL 2XL 3XL 4XL 5XL 6XL 7XL Optional Color Black Blue Grey Optional Material PolyesterPower Supply Interface USBPower Supply 5V 2A Portable Source Not Included Fever Area 9 heating zones3 Temperature Adjustment Manual adjustment High 45℃ 113℉ Medium 35 ℃ 95℉ Low 25 ℃ 77℉ Note 1 It is Not recommended to use high temperature for a long time to avoid burns 2 Batteries connecting plugs and chargers should aviod contact with water during operation It should be used in completely dry condition 3 NOT for Pregna