Features: 1. Warm & Soft Material: Made of premium cloth materials, the warm heating scarf is super soft and comfortable to wear and also ensures long-lasting warmth. Perfect for cold Autumn and Winter days. 2. USB Powered: This neck wrap can be powered by connecting it to a portable power bank (not included) via a USB cable, there is a hidden zippered pocket inside the scarf, so you can put a mini power supply in, ready to heat the scarf at any time. 3. Must-Have for Cold Winter: The neck heating pad 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. 4. Winter Warm Gift: With a simple but elegant outlook, neck warmer is also an ideal gift choice for your kids, wife, friends, grandparents, or work colleagues on birthdays or Christmas. 5. Fully Washable: Can be washed by hand in warm water below 40°C, easy to clean and maintain. Note: Please do not dry clean, iron, or blench the scarf. Specification: Material: Cloth Product Color: Black, Brown, Pink Product Size: 145 x 18cm Product Weight: 210g Input Voltage: USB 5V Rated Power: 4W Temperature: 42 °C to 50 °C Package Included: 1 x Electric Heated Scarf