Features: Material: The scarf is made of high-quality cotton material which is soft, washable, and offers excellent elasticity and breathability, providing superior comfort for everyday wear. Multiple Functions: The scarf helps keep you warm in cold weather, relieves neck fatigue, and promotes blood circulation. It is safe to use and emits no electromagnetic radiation. 3 Indicator Lights: The scarf features three indicator lights: red light indicates high heat (approximately 65F), blue light indicates medium heat (approximately 55F), and green light indicates energy-saving mode (approximately 45F). These lights allow for easy temperature control. Great Gift: This scarf makes a thoughtful and practical gift for friends and family, ideal for staying warm at home or in the office during winter. After-Sale Service: If you have any questions or concerns about our product, please . We will respond within 24 hours. Your satisfaction is our priority. Specifications: Product Name: Heating Scarf Color: 10 Colors Material: Cotton Net Weight: 0.18kg Size: M Power: 5W Rated Voltage: 5V Heating Temperature: 55F Temperature Range: 33F - 55F Control Wire Length: 5cm Package Includes: 1 x Heating Scarf (Power Bank not included)