8 Heating Zones: The heated jacket comes with 8 carbon fiber heating zones. It heats your entire core body area and keeps you warm, with two heated zones near the front pockets to keep your hands warm at the same time. Short press the power button to adjust 3 heating modes. It needs to be charged with a mobile power supply through the USB interface. (Excluding power bank) Durable/Easy Care: The heated jacket is made of high-quality professional waterproof soft shell material with excellent breathability. They also have good tensile strength, scratch resistance and wind resistance. The heating element and overall jacket construction are designed to withstand daily hand or machine washing. Foldable Hood & Multiple Pockets: The heated hoodie gives you great flexibility with its foldable hood. They also offer you great practicality with 2 large zippered pockets on both sides. Instructions for use: Plug in the power bank, press and hold the power button for 3 seconds to preheat and adjust to medium temperature, need to be connected to the power supply to keep it on the bank.