5 Heating Zones Keep You Warm: The heated vest for women features 5 carbon fiber heated zones (left & right hand-pockets, left & right back waist, back), which keep your entire core body and hands warm. Switching 3 temperature modes by short pressing the power button easily. 12V Battery Provides Long-Lasting Warmth: The womens heated vest equipped high capacity 54Wh 12V CE/FCC certified battery pack keeps warm up to 3.5-4 hours at the high level, and 9-10 hours at the low level. It can also be a power bank, and the led display shows the number of left energy. Insulated Padding & Easy Care: Sustainable and innovative thermal insulation retains warmth efficiently. The heated vest allows you to wear it as an inner layer or on the outside without restrictions. Support hand or machine wash. Zipper Pockets & Adjustable Drawstrings: The heated vest provides excellent utility by having 2 large zipper hand pockets that lock the phone inside. The heated vest also offers superior flexibility by having adjustable strings on the bottom of the vest. Multiple Power Supply Methods: DEWBU heated vest uses a 12V power system, which can be connected to the portable power station, motorbike, boat, ATV, snowmobile, or any other vehicle through a DEWBU 12V connector wire (Connector Wire Sold by DEWBU Separately) to keep you warm in extremely cold winter without time limited.