Bullet points:1, suitable occasions: this electric scarf is a newly designed electric warm scarf, which is suitable for outdoor mountaineering and prevents frostbite in cold weather.2, High thermal efficiency: The heating element adopts fold-resistant, high-efficiency composite fiber heating element, which has high thermal efficiency. The heating element can be bent, and the whole neck is heated evenly with a large heating area. The electric scarf is different from other similar products by using heating wire, electrical resistance, inkjet printing or nickel etching.3, 45 deg; C heating temperature: with far infrared heating carbon fiber sheet technology, the heating temperature of the scarf is about 45 deg; C at room temperature.4, Skull-shaped USB: With the skull-shaped USB, users can use their own 5V power bank for power supply. The input voltage is only 5V, so the electric scarf is completely safe and reliable. The scarf is powered by a lithium battery and insert the charger into a 220V power socket for charging. The scarf takes about 4-6 hours to fully charge and can reach 3 hours of continuous heating.5, Fast heating: feel the heat within 1-5 minutes of turning on. The rapid heating causes a large heating of the surface throughout the neck. According to the ergonomic design, the heat effect is remarkable, and the scarf is warm and comfortable. Specifications:Name: Electric S