Stay comfortably warm while keeping your arms free with this lightweight heated puffer vest. It features nine carbon-fiber heating zones strategically positioned across the heated collar, upper back, mid-back, lower back, and front abdomen, delivering targeted warmth to key areas of the body. The 2-in-1 control panel allows the seven back heating zones and two front abdominal zones to be operated independently. Choose from three color-coded temperature settings: Low/Blue at approximately 95 ° F (35 ° C), Medium/White at approximately 131 ° F (55 ° C), and High/Red at approximately 140 ° F (60 ° C). Powered by the included 4V 8000mAh power bank, the vest provides up to 9.4 hours of heating on the low setting based on the listed product specifications. The power bank can also be used to charge compatible mobile devices. Designed with a water-repellent outer fabric, warm stand collar, durable full-length zipper, secure zippered pockets, and lightweight quilted construction, this unisex vest is ideal for commuting, walking, traveling, camping, outdoor work, and other cold-weather activities. Available in sizes S–4XL. Package Includes: 1 Heated Vest, 1 Power Bank, and 1 Charging Cable. Please Note: Actual temperature and operating time may vary depending on the surrounding temperature, selected heat level, fit, and battery condition. Avoid prolonged use of the highest setting and discontinue use if you feel uncomfortable or overheated.