Description: Smart Control Battery Saving Heating System: The three-level adjustable temperature operates through two buttons that do not overheat your body. You can adjust the heating area according to the weather and the body temperature. It will make you feel relaxed in winter cold, instead of sweating for overheat. Independent control system enables longer use of your heated clothing. More durable using and more power saving. New Fast-Heating Electric Heated Vest: No need to wait long before get out of house. Carbon fiber (More easily concentrate heat and warm longer under same battery) and strong insulation quickly warm the body through its major large heating areas at the front, back, and neck area. Compared with traditional heating apparels, our new heated jacket covers 5 heating areas. 5 Updated Heating Areas: The professional heating vest Increases more heat areas, compared to other old heating clothes, they have only 5 heating areas. Our new vest covers 5 heating areas, built in with quality carbon nanofibers heat elements due to its quick heat-up technology, lightweight, flexible & safe to use. Generate consistent heat for many acupuncture points and meridians, including your back, abdomen, neck and , helping to maintain body warmth. Enhanced Every Details Based on Old Heated Vest. The inner pocket can protect your missives and hold power bank. Water-proof fabric filled inside with pure cotton, adding extra and longer time warmth. The high-quality, skin-friendly fabric gives the feel of curling up big fluffy doona in the cold. The zipper holds the vest tight to make it slim and stronger enough to move. Especially the neck heating, avoid the friction to skin, and feel like a warm scarf wearing. New Stylish Look Suitable for All Occasions, As Electric Heated Vest, Safety Guard is Must. The smart power-technology gives short circuit protection that can adjust the temperature inside the vest to keep you safe. Heat protection helps to get down the temperature when overheated. Newest pocket style is perfect for various outdoor activities, like hiking, running, jogging, hunting, climbing, fishing and etc. It’s perfect Christmas and New Year gift for friends, parents and families. Specification: Size: M, L, XL, XXL Closure Type: Zipper Fly Fabric: 100% nylon Lining: 100% polyester fiber Filling: 100% polyester fiber Heated area: Neck / Back / Abdomen / Waist 2 control switches: separately control the heating of the front and back 3 levels temperature usage time : 10000mAH=high (red)=45℃=6 - 8 hours 10000mAH=Medium (white) =35℃=8 -10 hours 10000mAH= low (blue)= 25℃=10 -12 hours Using Method: 1. Connect the vest with the power bank with the cable; 2. Press The Power Button For 3 Seconds, then pre-heating for 2-3mins; 3. Click Button To Switch The Mode. Washing Method: This Heated Waistcoat is washable on machine, by hand with normal temperature water or dry clean,the built-in USB port is waterproof. Note: This heated vest only can be connected with removable power bank, no power adapter conneting! You need to fully charged your removable power bank firstly, then connect with the heated vest. When the power bank is disconnected, the heating vest will also stop working. Package included: 1 * USB electric warm vest 1 * 10,000 mA power bank 1 * USB cable