Overview Heating Technology: Features 9 heating zones for efficient warmth distribution using USB-powered heating elements Smart Design: Intelligent temperature control system with adjustable settings for personalized comfort Winter Protection: Thickened cotton padding and acrylic lining provide enhanced insulation in cold conditions Convenient Charging: USB rechargeable capability allows easy power access from portable devices Fashionable Wear: Sporty cardigan style with striped pattern, loose fit, and detachable collar options Specifications Material: Outer - 100% acetate fiber, Lining - 100% acrylic fiber, Filling - Cotton Heating Elements: 5-piece or 9-piece heating panel options (varies by color selection) Closure Type: Zipper front Design: Round hem, epaulet details, zippered pockets Pattern: Striped Sizes: S, M, L, XL, XXL, XXXL, XXXXL, 5XL Colors: Black, Red, Blue (with heating panel variations) Length: Regular (50-65cm) Collar: Collarless design with detachable collar option Packing List heated vest*1 usb cable*1