Main Features● Keep your body keep warm in cold weathers● Connect the smart vest to your powerbank to get it to startNote:
● vest needs to be connected a power bank to work,it will stop heating after power failure.power bank(Battery) is not included in this item
● Please kindly note that our sizes are Chinese sizes, which are usually smaller than US !#!amp!*! Europe sizes. Please choose your size according to size chart and we suggest one or two sizes bigger to match US !#!amp!*! EU size.