3 Levels of Adjustable Temperature: This USB scarf has three levels of adjustable temperature. Red 55C, Green 45C, Blue 35C, you can choose according to your needs and solve your neck problems. and protects the neck from low temperatures, without harming the skin. Neck gaiter to relieve pain: the neck muscles contract from shivering and fatigue can accumulate in the neck and back. shoulders, which leads to stiffness in the neck and shoulders. as a neck heating pad to keep the neck warm and relaxed. USB port: USB charging port, convenient and fast, with the USB head of the scarf, users can charge their own sling using a 5V power bank. The input voltage is only 5V, which is absolutely safe and reliable (power bank is not included) Premium material and washable : The heated scarf is made of soft plush. Easy to clean, even if it gets dirty. Essential for winter: the scarf can be used as a scarf, neckerchief, simple blanket, and is practical and cold-resistant for office use , at home, outdoors and for dates, etc., Ideal for weddings, Christmas, birthday gifts, anniversaries, Valentine's Day, etc. Color: Black Size: 80*10cm Shipping quantity: 1 luckymeet