This heated vest is made of soft skin-friendly material, smooth and comfortable to touch, and the large area graphite carbon fiber heating elements will help you stay warm and comfortable. The jacket is only about 0.3KG, which is very lightweight. The heating jacket can help promote blood circulation, relief pain of muscles, which is perfect for camping, hiking, skiing, fishing, hunting, and other winter sports or daily business activities in the office. It is also a great gift for seniors, families, relatives or friends. Instructions: 1. Take out the USB interface and connect the power bank. 2. Turn on the power bank, and then press and hold the button on the vest for 3 seconds to turn on. 3. The red light flashes, the heating element starts to work and continues to heat to 45 ° C. After the red light flashes for 5 minutes, it will automatically jump to medium temperature (white light). 4. Press the button on the heating vest to adjust the temperature. 5. Press and hold the button for 3 seconds to stop heating. 6. You can determine the heating time according to your needs and the power bank you carry. 7. You can refer to our second picture to choose the size. Bring warmth to your loved: 2 heating sheet placed in the most reasonable human position, Promote blood circulation, Warm your neck and back. Wear it ! you will forget the bad feeling of muscle tightness from winter. Save ur body from muscle tightness. After-Sales Service: If you have any problem with the items, please do not hesitate to contact us. We will reply and address your issue as soon as possible. Package contents: 1* heated vest (no power bank, no handbag) Notes: Please refer to the product descriptions for more details about the package contents. The user manual is only for the user's reference on how to use the heating vest.
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