Electric Thermal Jacket With Usb Insert Winter Black

" The thick and soft fabric prevents airflow and shaped the heating layer of a single layer. Now it is effective in the warm air of the human body. Maintain internal heat circulation and collect heat throughout the process. Help meridian and promote blood circulation. In addition, it reduces dysmenorrhea, joint and lower back pain and heat symptoms at a large area Smart chip, button temperature control, three-speed adjustment; about 50C at high temperature; the average temperature is about 40 C; the low temperature is around 30C Control, super superior, super superior at low safety voltage 5V (human safe voltage