Heated Bib Face Mask To Keep Warm In Winter Ski Hat Smart Heating To Keep Warm Features:Main advantage:Infrared physiotherapy;Electricity and heat;Timing function;Safety nursing;Heat to keep warmIn a cold environment, please use a heated scarf to keep warm to protect your face, head, ears and neck from frostbite.The thickened material helps to lock in the warmth and keep you warm.In a cold environment, please use a neck pad to prevent heat from escaping from your head, neck, ears and face, thus keeping you warm. Protect your face from frostbite in windy conditions.Used as a hat for daily use. It can be worn on the head to maintain the temperature of the head.Stylish design, can be used as a scarf or hat, two functions in onePower supply long time don't have to worry about travel in fear of cold,Battery life:In 10000 ma (50 w) mobile power calculation 6 piecesHeat 4 to 6 hours, medium temperature 5 to 6 hours, 6-7 hours at low temperature.High temperature of 65 degrees or so, 50 degrees in temperature, low temperature about 40 degrees.Penetration type heating temperature control collar for you to keep warm,30 seconds R-APID temperature 70 The carbon fiber material softness and toughness,Random bending will not damage, in the case of sweating can still normal use,When the temperature reaches 70 C use clothes, the system will automatically stop heating.Main advantage:Infrared physiotherapy;Electricity and heat;Timing function;Safety nursing;Heat to keep warmMaterial: fleecePackage Contents:1X Heating scarf