Item Type: Intelligent Heating Vest Product Material: Polyester Fiber Product Color: Black Application: Outdoor Activities, Home Leisure Package List 1 x Heating Vest 1 x Manual 1.Power bank is not included.2.Before washing, be sure to take out the power bank, put the USB plug into the inner bag, which can be machine washed, and put it into the laundry bag for washing. 1Evenly Heating: The children's vest can feel the far infrared hot compress effect by heating the temperature of the carbon fiber filament and evenly dispersing it to the human shoulder. 2Humanized Heating Parts: Heated vest for kids is designed with humanized heating parts, and the heating block is designed for the sleeve back which is easy to get cold. 3Windproof Stand Collar: The smart vest is designed with a fashionable windproof stand collar, which can comfortably protect the neck and keep you warm. 4Carbon Fiber Heating Wire: Children heated jacket is infrared heating, without harmful radiation, and adopts imported carbon fiber heating wire. 5Keep Warm: The heating vest is suitable for different scenes. It can keep you warm in cold winter and is an ideal gift for boys and girls.