The clothes have a USB interface, please bring your own power bank. Our package does not include a power bank. Material: coral fleece SIZE CHART: S: length 65cm, chest 106cm, shoulder 45cm, hem 82cm; M:length 67cm, chest 110cm, shoulder 46cm, hem 86cm; L:length 69cm, chest 114cm, shoulder 47cm, hem 90cm; XL:length 71cm, chest 118cm, shoulder 48cm, hem 94cm; 2XL:length 73cm, chest 122cm, shoulder 49cm, hem 98cm; 3XL:length 75cm, chest 126cm, shoulder 50cm, hem 102cm; 4XL:length 77cm, chest 130cm, shoulder 51cm, hem 106cm; 5XL:length 79cm, chest 134cm, shoulder 52cm, hem 110cm; 6XL:length 81cm, chest 138cm, shoulder 53cm, hem 114cm; 9 Heating Zones & 3 Heating Levels The electric heated hoodie has 3 heating settings(High, medium, low) in 6 heating zones(not only distributed on the body, but also on the hood and neck). The separate controls allow you to customize the heat settings for the vest and hoodie, ensuring the perfect temperature for any situation. SUPERIOR SAFETY: The heated vest and the included battery have a comprehensive multi-protect safety system including overcharge protection, short circuit protection, temperature control, and more. The fabric is treated with anti-static. Your safety is our priority. FOR ALL OCCASIONS: Lightweight design so you don't need many layers and appear so bundled up. Do unrestricted activities while staying warm. Suitable for outdoor working, hunting, motorcycling, fishing, playing golf, baseball, dog walking, skiing, and watching sports games.