Function: < /p>< p>1. The use of low voltage 5 V will not pose a threat to the human body. It is washable and the power interface is insulated and waterproof. < /p>< p>2. Three levels of temperature control, warm range 45 (red light), comfortable range 35 (white light), energy saving range 25 (blue light), one-button heating, you can choose the right temperature range according to your needs and environment. < /p>< p>3. Using fiber heating wire, infrared heating, no harmful radiation, soft material, stable performance, environmental protection and energy saving, safety and reliability. < /p>< p>4. For belly * 2, neck * 1, shoulder * 2, back * 2, waist * 2, nine-zone heating, one-button heating, three-stage temperature control, intelligent heating, for people who are afraid of cold winter, full heating front and back, In winter there is no fear of cold. < /p>< p>5. < /p>. HEATED VEST JACKET HEATED SIZE. S HEATED VEST JACKET HEATED SIZE. S Precautions: If the heating vest is not used for a long time, disconnect the power supply. < /p>< p>- Do not use heated high temperature water or strongly alkaline digestion fluid to wash the jacket. Electrical power must be disconnected before cleaning. < /p>< p>- It is strictly forbidden to use electricity for wet clothes. Turn off the power and stop using it immediately after getting wet. < /p>. HEATED VEST JACKET HEATED SIZE. S