Prosmart Men's Heated Jacket with hood and 12Volt Battery Pack(Black) MATERALHeated jacket 100% Polyester HEATED AREAFront chest and back. TEMPERATURE CONTROLHeated jacket can warm up rapidly in extremely cold weather, three temperatures (High,medium,low)can be select just through a simple press of the button. BATTERY AND USING TIMEPortable and detachable high quality 12v battery ;More than 12 hours long lasting using time make you warm all the day. SOFT AND WASHABLEBattery heated jacket is flexible and washable ,which can easily be worn with your daily attire