Enjoy warmth and Relaxation in Seconds: Enjoy a warm sensation that promotes blood flow and keeps you toasty all day long and those pesky neck muscles with electric heated neck wrap that is specifically designed to help keep you warm and cozy. Fast Heating & 3 Heat Levels: After long press the switch button to the heat. It can instantly heat in seconds, 't wait too long. There are 3 Heat Levels(45/50/55). The current temperature and battery power will be digitally displayed on the left screen. Power Bank: With all the great features already included, we decided to add another one just . Portable electric neck wrap can also be used as a power bank. You and your mobile device will be to enjoy a charge wherever you go. Hand Free & Potable Design: The smart neck warmer is a wearable design, free your hand that you can do everything at the same time. The whole product only weight 305g/0.68pounds. 't be so bulky. Suit to use in , home, travel, walking, etc. Gift for Everyone: The portable neck warmer will be a great gift whatever cold winter, birthday, , anniversary, celebration, and others. Your family, lover, will be happy when they receive it. Product Name: multifunctional neck warmer Working voltage: DC/3.7V Gear temperature: three gear adjustable (45 / 50 / 55) Charging interface: Type-C Input / output: DC5V/2A Interface type: Type-C USB Maximum power: 1W Battery capacity: 8000mah Working temperature: 1 C ~ 55 C color:Green Material:ABS+aluminum Package Contents: 1 x Hanging neck heater 1 x USB cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.