Feature:1.Humanized heating part design: heating block is designed for the cold parts on the back of the neck, and large-capacity zipper pockets prevent items from being lost2. Material: Because the inner heating wire is made of carbon fiber wire and imported from Japan, unlike the metal copper wire, which conducts electricity, it can also be cleaned freely in the washing machine, so there is no need to worry about the cleaning of heating clothes.3. 9 Areas heating: Anti-fleece calendering is tighter, 9-zone heating.4.Comfortable neckline: exquisite edging cutting, simple atmosphere and more comfortable5.Pocket with zipper: Pocket with zipper, which is convenient and safe to put things, including heating design, not afraid of cold.THIS ITEM NOT INCLUDING POWER BANK!!!!Specification:Gender: Men & WomenModel Number: Heated VestFabric: polyesterTag Size: S, M, L, XL, 2XL, 3XL, 4XLWarm Tip: Battery is not included.This product needs to be connected to a mobile power supply when it is hot. After unplugging it, it will automatically stop the heating 5V voltage, giving you a sense of security.Washable and long-lasting, the power interface is insulated and waterproof.Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.Included:1 x Heating Vest (WITHOUT POWER BANK)