Come and see our amazing products! This warm scarf made of smart USB charging, has multiple functions of intelligent temperature control, intelligent switch and low-voltage safety. When washing, take off the power supply and cover the lid. It can be cleaned in water without fear of sweating when using. The proper design is light but not heavy, giving the neck a warm around, convenient to wear. Multiple temperature adjustment, suitable for your use in different environments.The price includes a 1200 mAh power bank. Pls confirm further with us if any query about packing info, inventory status and time schedule.