Specifications: Made of high quality polyester material, the scarf is soft warm and breathable, skin-friendly and comfortable. The scarf is safe and washable, the heating plate works under low pressure, and the multiple safety protection system conducts heat, not current. The heating scarf has touch button control and can adjust three temperature settings. There are four vibration massage modes, each click will increase one level, you can adjust the temperature and massage mode as needed. Type: Heating Scarf Material: Polyester Charging Method: USB Charging Power Bank Capacity: 4500Amh USB Output Voltage: 5V Power: 6W Heating Method: Low Temperature 35 Celsius Degrees/Medium Temperature 45 Celsius Degrees/High Temperature 55 Celsius Degrees Attributes: Type 1: Power Bank, Heating Scarf, Type 2: Heating Scarf Massage Mode: Gentle Gear: Continuous Vibration + Intermittent Vibration Massage Comfort Gear: Vibration 2.5S + Intermittent 0.5S Massage Strengthen Gear: Continuous Vibration + Intermittent Vibration Massage Powerful Gear: Intermittent Vibration Massage Features: 4 Modes, Easy to Use, Fast Heating Scarf Size: 80cm x 10cm/31.5" x 3.94"(Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Type 1 Package Includes: 1 x Heating Scarf 1 x Power Bank or Type 2 Package Includes: 1 x Heating Scarf