Specification Material: Cotton, Cationic Wool Fabric Color: Khaki, Gray, Brown, White, Pink, etc Size: 78x9.5cm Weight: 250g Battery Capacity: 1200mA Temperature Setting: 35~55 C 11. USB POWERED: This soft neck scarf can be powered by connecting it to a portable 1200mAh power bank (include) via a USB cable. Very suitable for cold autumn and winter. 22. INTELLIGENT CORE DESIGN: With a built?in heating pad, made of graphene material, the winter scarf can be heated up quickly in less than 3 seconds. Temperature setting includes 35, 45, 50. You can adjust it to suit your needs. 33. WASHABLE: The scarf is washable and can be washed again and again for easy cleaning and use without fear of sweating. Even without batteries, the scarf is still a good fashion choice. Note: Please do not dry clean, iron or scald the scarf. Take out the charger when cleaning. 44. THE PERFECT GIFT: A great Christmas present to keep your loved ones warm during the winter. Also perfect for birthdays and other occasions. Neutral and universal scarves for anyone. 55. A MUST?HAVE FOR COLD WINTER: The neck warmer uses soft and thick fabric for added warmth, can effectively keep the freezing wind away on cold winter days. Perfect for indoor activities and outdoor sports, such as studying, working, skiing, hiking, or climbing.1 x Heated Scarf1 x Power Bank