Heated Vest USB Rechargeable Intelligent Thermostat Vest

features three heating settings and is also capable of auto regulating heat. It can be charged at any time with a portable battery to provide constant warmth. When wearing it you don't need to put on extra layer or a bulky coat, it is light weight yet warm enough to keep you warm in wintry weather.
Features:
Employ graphene fibers to store and release heat, this heated vest features intelligent temperature control and can heat up fast, keeping you warm all the time while ensuring great convenience.
With a waterproof USB port, it is washable and can be charged at any time and anywhere to provide constant warmth.
It has three adjustable heating settings, low temperature 45℃, medium temperature 55℃ and high temperature 65℃.
Unisex design with snap buttons on the shoulder for adjusting length and zippers on the side for adjusting width, it can be adjusted to fit most people.
Note: Portable battery not included in this product.