＊Instant purchase welcome ＊Brand new, unused item ＊Purchase without comment OK -------------------------------------- Comes with a battery, so you can use it right away. 【Size】XL 【Color】Black First, we add a silicone cover to the USB port, making it more waterproof. Second, we add zippers to the two pockets so that we can keep your belongings very safe. Third, to keep it more windproof and warm, we set elastic straps at the bottom of the warm coat, and you can adjust it as your waist circumference. Keep Your Body Warm: The HH HHAO SPORT heated vest for rechargeable men has a heating system consisting of large 4 carbon (graphite) fiber heating pads that generate consistent heat to 4 core body parts, including your neck, back, and 2 abdomens. This heated coat helps you maintain body warmth, promote blood circulation, and relieve muscle pain and tension. Two buttons control the front & back areas separately: Two buttons can adjust the temperature of different areas, and you can choose the area to heat according to the weather temperature and your body's sensation. Also, the independent control design improves the power efficiency and durability of the device. Note: The power bank is not included in the heated vest. Convenient Heating: This electric heated vest is compatible with a power bank with a 5V 2A / 2.1A USB output port. When connected to a 5V / 2A mobile power bank (power bank not included in the package), press the power button for 3 seconds, and the graphite carbon fiber heating element will generate heat throughout the core body area. A fully charged 10000 mAh power bank can continue to heat for a maximum of 8 hours and a minimum of 4 hours. MG0843