Men and Women\'s Heated Vest Rechargeable with Battery Pack Included for Fall Winter Running, Climbing, Motorcycle, Fishing Heating Jacket Vest - Black\r\n\r\nDescription:\r\nSize: US size S to XXL, please select the desired size according to the size chart before your purchase.\r\nHeating Zones: Two on abdomen, two on waist, one on upper back.\r\nPocket: Two (on left & right abdomen).\r\n\r\nPackage Includes: \r\n1 × lightweight heated vest\r\n1 × 5V 10000mAh power bank\r\n2 × power cable to connect the warming vest to battery\r\n1 × cable for charging battery\r\n1 × user manual\r\n1 × oxford cloth handbag for packing the vest suit\r\n\r\nInstructions:\r\n1. Insert the DC port of the power cord into the left pocket interface and the USB port into the 5V/2.1A battery. (the battery packed included in this heated clothing) \r\n2. Long press the button of vest for 3 seconds to turn on/off the heating system.\r\n3. Short press the button to switch the heating level: flashing red -> preheating state, red ->high, white ->medium, blue -> low.