Description 1 13 heating pads USB power supply 13 heaters are arranged on the neck back abdomen and waist which can warm the whole body and exert an excellent heating effect The electric heating vest uses a special battery bag and USB data cable design and a zipper design to prevent the battery from slipping off Note This product does not come with batteries When using the heating function please prepare a commercially available rechargeable power bank with a USB output function above 5V 2A 2 Independently control3 levels of temperature adjustment There are 3 heating systems on the shoulder neck back and abdomen and all 3 heating systems can function independently The temperature is strong medium and weak in 3 levels that can be adjusted and can be switched freely according to needs According to the temperature the indicator lights are red green and blue Simple to understand and easy to operate 3 90 down material Use high quality duck down light and thin soft to the touch not easy to deform and can quickly warm the body Block the cold wind while heating the neck and back to wrap the body 4 Washable Take off the battery wait for it to cool and wash it with water by hand To prevent damage to the heating circuit please do not rub it hard It can be used after air drying Note When washing please don t forget to cover the USB waterproof cover 5 Applicable occasions It can be used in various occasions such as golf mountaineering fishin