DescriptionMaterial : CottonOrigin : Mainland ChinaApplicable Season : AutumnStyle : CasualApplicable Scene : TravelingFilling : CottonSleeve Style : RegularHooded : YesThickness : STANDARDModel Number : 12Fabric Type : BroadclothClosure Type : zipperDetachable Part : Hat DetachableLining Material : PolyesterType : LOOSEPattern Type : SolidClothing Length : RegularWeight : 0.45Gender : MENCollar : STANDClosure Type : zipperType : Heating JacketFeature : Three-speed temperature control switchWash : Hand washable, machine washableInstructions for use : English Instructions included in the packageSafe : Three certificates,safePlease use mobile power. At the same time, our products do not include mobile powerNote: We recommend using 5V / 2A atEnsure a good heating effectInstructions:1. Check the USB socket2. Access to the treasury3. Adapter on the switch for charging the external battery4. Humidity temperature sensor on the humidity temperature sensor for 2 seconds