This is a down heating jacket vest, and the heating jacket adopts graphene heating sheet heating technology. The graphene heating sheet has the characteristics of fast heating up, and it can be heated up quickly in a few minutes without waiting. The heating jacket adopts USB charging, compatible with most USB chargers on the market, and can be charged at any time indoors and outdoors. The heating jacket is controlled by buttons, and there are three temperature settings, you can freely adjust the temperature according to your needs. The heated jacket features a zipper closure for ease of use and durability. The heated jacket supports hand wash and machine wash.