9 heating areasThe smart heating jacket has 9 smart heating areas. The electric heating vest will provide you with maximum comfort and help you distribute heat more evenly; with the help of new heating technology, the jacket can be heated quickly even in extremely cold weather.heating temperature and adjustable temperature]-Through the intelligent temperature control design, the waist/abdomen can be controlled independently, and three temperatures can be selected by pressing the button on the jacket. High temperature (red light) = 55C, medium temperature (white light) = 45C, low temperature (blue light) = 35C. You can choose different temperatures according to your needs.High-quality materials and unique designThe coating is made of nano-composite fiber materials, with the characteristics of high temperature, high toughness, long life and high thermal energy conversion rate. The coating is made of silver fiber, which has good thermal conductivity and can increase the heating surface. No matter where you go, you should wear this heated jacket and keep it warm throughout the day.Safety and convenienceThe heated vest is safe, does not radiate and has an overheating protection function. Once overheated, it will stop heating until the heat returns to standard temperature. Regardless of the direction, you can insert the double-sided USB plug into the USB socket. This is very convenient because you can use the mobile power bank to charge the product. (Note: power supply is not included).Waterproof and 100% guaranteeThe heating jacket is made of polyester, nylon and waterproof materia