Feature: 1. Three-level temperature adjustment: rapid temperature rise, low temperature range is about 45 degrees, medium temperature range is about 55 degrees, and high temperature range is about 60 degrees. 2. Super soft and comfortable fabric, warm and smooth. It's light overall and has good warmth retention. The warm scarf is super soft and comfortable to wear, ensuring long-lasting warmth. Very suitable for cold autumn and winter. 3. USB charging: This fur collar scarf can be connected to a portable power bank (not included) through a USB cable to supply power. There is a hidden zipper pocket inside the scarf, which can be heated by a mini power supply at any time. 4. Keep you warm throughout the winter: The graphene magnet heats the cervical spine, and the muscles around the neck contract due to the cold. Fatigue will accumulate in the neck and shoulders, resulting in stiff neck and shoulder stiffness. The heating scarf can be used to warm the neck and back, relax the muscles, and reduce physical fatigue. And make the shoulder and neck comfortable from the inside to the outside. 4. Not afraid of washing: The heating system can be washed with water, waterproof and no leakage. You can use and clean it with confidence without worrying about its cleaning. But in order to use the product for longer, try to wash it by hand only. Specification: Material: polyester fiber Size: 8010cm Quantity: 1pcs/set Rated voltage: 5V Charging method: USB charging 3 levels adjustable, high, medium and low speed, the color is red, blue and green Only conducts heat and does not conduct electricity Product 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. Package: 1 x Heating scarf (Without power bank)