Heated Vest with 7.4V 30000mah shop Battery

Product Name: Heated Vest with 7.4V 30000mah shop Battery
Size shop m and L. Please let me know. 100% Polyester Imported Zipper closure Machine Wash 【Separated Control 13 Heating Plates】- There are 13 carbon fiber heating elements in the vest,6 heating zones on the front, and 7 heating zones on the back, generating heat across the chest, waist, back, belly and shoulder. To achieve the whole body warming. And different heating areas are controlled by separated buttons. 【Come with a 7.4V 30000mah Battery Pack】-Come with a 30000mah huge capacity battery pack, which built-in 7.4V and 5V output, 7.4V support fast heating in seconds and warming higher than 5V output, you also can use 5V output to charge your smart devices. 【Six Temperature Levels to Adjust】-Two connector are DC port and USB port inside the vest, different port offer different heating effect, the three temperature levels of DC port is 140°F/149°F/158°F,the three temperature levels of USB port is 95°F/113°F/131°F.It is easy to switch the temperature by pressing the button once.