There are 3 temperature levels from 45 to 55 degree Celsius for you to choose from. Not only does it provide you with extra warmth, this heated scarf also promotes blood circulation and soothes neck fatigue.High-quality internal heating wires of this scarf are evenly distributed to ensure rapid and even heating.Made of high-quality plush and polyester, the heated scarf is ultra soft and comfortable to wear, perfect for the cold winter.When it comes time to wash, this leak-proof heated scarf requires no disassembly and can be washed directly.Providing you with great warmth and comfort in chilly weather, this heated scarf is perfect for cycling, skiing, hiking, fishing, hunting, snowboarding, and skating, making it a great winter gift.Item Name: Heated ScarfMaterial: PolyesterCurrent: 2AVoltage: 5VTemperature Level: 3 Levels (45/50/55 Degree Celsius)Features: Washable, Quick Heating, Comfortable WearingSize Details: Heated Scarf Size: 85cm x 10cm/33.46" x 3.94" (Approx.)USB Cable Length: 20cm/7.87" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Using Instruction:1. Power button operation: Plug in the power supply (or power bank), long press to turn on, long press to turn off.2. After long press of the power button, the red light (high temperature) breathing light mode will automatically turn to white light in about 5-15 minutes.3. Button mode: Click the button to display red light (high temperature), blue light (medium temperature), white light (low temperature), cycle mode.4. High temperature: 555 Degree Celsius, medium temperature: 505 Degree Celsius, low temperature: 455 Degree CelsiusPackage Includes:1 x Heated Scarf1 x Chinese English Manual 1 x USB Cable