New adjustable front with dive material rear with mixed cotton inner layer breathable three-dimensional mesh with built-in ice bag heating vest 5V one size Material: diving material + mixed spinning cotton material + heating sheet; size: one size; weight: 280g; size: 58*36*0.5cm Working voltage: 5V; main function: warm heating, shoulder thermal therapy, body warmer to keep warm; Working principle: heating by carbon fiber thread, the temperature of the shawl rises to 60 degrees, so as to maintain warmth and shoulder heat treatment, three pieces of heat work. Far-infrared heating energy penetrates the skin to help remove body moisture. Third gear mode, free to adjust. Blue light low temperature: temperature = 40 degrees; white light medium temperature: temperature = 50 degrees; red light high temperature: temperature = 60 degrees; Selling point: The heat is generated by the carbon fiber heating wire, which is worn on the body to keep warm and heat. Suitable for wearing in cold weather. The cold effect is very good. At the same time, the vest adopts a design proposal that can be submitted. Suitable for people of different sizes and sizes. At the same time, it looks beautiful The product is light. Close to the body. Let you wear it very nice Product List: Heating Shawl*1 Instruction manual*1 Light and stylish, keep warm and not bloated. Package List 1