USB Smart Charging Neck And Shoulder Winter Cold Protection And Warm Heating Men And Women Scarf Product description Warm and comfortable A scarf that can heat up to prevent cold from the neck Built-in far-infrared graphene heating sheet, heating of far-infrared heating sheet Far infrared rays penetrate the skin and warm the neck Three-speed temperature control switch to adjust the temperature control at will, one key to turn on, have warm happiness anytime, anywhere Red high temperature 60 Blue medium temperature 55 Green low temperature 45 The intelligent constant temperature heating switch combined with the temperature sensor probe can detect the temperature of the heating film and accurately control the warmth without being hot Safe voltage warm your neck Name: Heating Scarf Rated Power: 4W Rated voltage: 5V Size: Scarf size: 80x10cm Weight: about: 148g Features: Washable Color: Red,Dark Blue,Dark Gray,Pink,White,Coffee Product contains1 x Heating Scarf Without power bank