The clothes have a USB interface, please bring your own power bank. Our package does not include a power bank. SIZE CHART: S: length 68cm, shoulder 44cm, chest 109cm, sleeve length 60cm; M: length 70cm, shoulder 44.5cm, chest 113cm, sleeve length 61.5cm; L: length 72cm, shoulder 47cm, chest 117cm, sleeve length 63cm; XL: length 74cm, shoulder 48.5cm, chest 121cm, sleeve length 64.5cm; 2XL: length 76cm, shoulder 50cm, chest 125cm, sleeve length 66cm; 3XL: length 78cm, shoulder 51.5cm, chest 129cm, sleeve length 67.5cm; 4XL: length 80cm, shoulder 53cm, chest 133cm, sleeve length 69cm; 5XL: length 82cm, shoulder 54cm, chest 137cm, sleeve length 70.5cm; 6XL: length 82cm, shoulder 56cm, chest 141cm, sleeve length 70.5cm; Versatile Design: This winter heated jacket is made from premium waterproof softshell material that offers excellent breathability, while also providing good resistance to dirt, scratches and wind.The soft insulation lining and heat retention system ensure optimal warmth and comfort, even without using the heating function.Practical and stylish combined, this self heated jacket is suitable for most men and women. Warming Gift: The heated winter jackets support machine washing or hand washing. Suitable for winter outdoor activities such as hiking, climbing, skiing, fishing, hunting, and work.The electric heated jacket is well made and makes an ideal holiday gift for family and friends.