Self Heating JacketExperience unparalleled comfort with our Men's Heated Jacket, engineered with up to 17 distinct heating elements to ensure an even distribution of warmth across vital areas. Whether you're tackling the great outdoors or simply facing a brisk winter day, this USB powered thermal coat guarantees optimal heat retention. A powerbank is required when using the jacket (not included in the packaging). Designed with a blend of modern technology and quality