Features1. 9 heated zone: There are 9 heating plates in the heated vests, which are made of nano composite fiber. The heat conversion rate is high, and it can warm the back, waist and abdomen.2. Three-level temperature control: When the heated is started, just click the button to switch to the third gear. High temperature: red, medium temperature: white, low temperature: blue.3. Suitable for all kinds of scenes: Our heated Vest is waterproof and breathable to keep you warm anywhere such as enjoy snowmobile, motorcycle, mountain, camping, hiking, skiing, Fishing, Hunting or office routine and business try during fall and winter.4. USB charging electric heated vest: Our heated vest jacket for women use mobile power to charge(Not Include). 10000mAH mobile power can continue heating for 8 hours, fast heating in 3 seconds. 5. Fast safe heating: Our heated jackets is specially designed for the cold winter, just plug in the mobile power bank, and the carbon fiber heating plate can heat up in only 3 seconds. Once the temperature reaches, it will stop heating until it returns to the standard temperature.SpecificationMaterial: PolyesterColor: Black, White Size: S, M, L, XL, 2XL, 3XL, 4XLWeight: 400 g, 450 g, 500 g, 550 g, 600 g, 650 g, 700 gPower bank: 10000 mAHUsing time: 8 hoursPackage Include:1 Heated Vest