Fast Heating: This heated sweatshirt provides five carbon fiber heating zones (2 abdominal, 1 back, 2 waist) for quick, even warmth. Three adjustable heat levels (104/122/140°F) let you choose comfort, efficiently driving away cold Long-Lasting Warmth: Equipped with a 16000mAh fast-charge power bank, our heated jacket provides 4-8 h of continuous use. A separate battery pocket meets daily warmth needs and ensures continuous and stable heating output even in cold conditions Comfortable & Hard-Wearing: Our heated hoodie features wrinkle-resistant cotton and polyester blended outer layer with a polar fleece inner layer. Its anti-static finish makes dressing easier, while the smooth YKK zipper ensures lasting use Fit Without Tightness: Featuring a neutral, loose silhouette design, the heater jacket meets the needs of outer and inner wear