This heated vest selected quality fabric and silk-floss filling, smooth zipper, neatly cut neckline with exquisite sewing, skin-friendly, slim fit, comfortable and beautiful. 3 heating levels design, intelligent temperature control of 35(energy saving), 45(comfortable) and 55(warm). 5 heating zones design, humanized divisions of heating zones for the parts that easy susceptible to cold of the abdomen, waist and back to keep the body warm, help promote bloods circulation, and relieve muscular rigidity. Features: Selected quality fabric and silk-floss filling, smooth zipper, neatly cut neckline with exquisite sewing, skin-friendly, slim fit, comfortable and beautiful. Built-in far infrared heating module, intelligent heating, one-button control, 3s rapid heating, without wasting too much time waiting. Waterproof process design, easy water washing, suitable for both machine washing and hand washing, high safety. 5 heating zones design, humanized divisions of heating zones for the parts that easy susceptible to cold of the abdomen, waist and back to keep the body warm, help promote bloods circulation, and relieve muscular rigidity. Technology temperature control design, full ranges of temperature control, intelligent heating, double warmth, with high warming efficiency. 3 heating levels design, intelligent temperature control of 35(energy saving), 45(comfortable) and 55(warm). 5V working voltage, long battery runtime, take 10,000 mAh rechargeable battery as an example (not included), support 3H-5H hours warm level, 5H-7H comfort level, 6H-8H low temperature level, continuous heat. Thoughtful pocket design, intimate items to carry around convenient. Unisex and 6 sizes design, wide applications, reliable for skiing, running, cycling, mountaineering, hiking and other outdoor activities. Note: A real 5V2A output charging adapter or power bank need be used for normal operation and ensures the operation time. Specifications: Name: Heated Vest Material: polyester + silk-floss Color: Black Size(EUR): S / M / L / XL / 2XL / 3XL (optional) Temperature Mode: 35-35-55 Item size: Size: S/M/L/XL/2XL/3XL Shoulder width: 42/44/46/48/50/52 centimeter Bust: 102/106/110/114/118/122 centimeter Waist: 100/104/108/112/116/120 centimeter Hip: 100/104/108/112/116/120 centimeter Clothing length: 64/66/68/70/72/74 centimeter Package size: 250 * 150 * 30mm / 9.84 * 15.74 * 1.18in Package weight: S/M/L: 320g / 11.29ounce XL/2XL/3XL: 380g / 13.40ounce Packing List: 1 * Heated Vest