Important Note: To minimize resource consumption and does not include a built-in battery. To ensure optimal performance, we recommend using a USB power bank with a minimum capacity of 10,000mAh and an output rating of 5V (2A/2.1A/3A). This will provide the best power source for your heated vest for men, keeping you warm and comfortable.Innovative 15-Zone Heating: In 2023, men's heated vest underwent a remarkable transformation, introducing a groundbreaking system with 15 heating zones. This remarkable advancement offers unparalleled coverage that extends from the neck, enveloping the back, abdomen, and waist. Embrace the winter season with a vest that not only provides lasting warmth but also elevates your comfort to new heights, whether you're adventuring outdoors or navigating daily activities with ease.Smart Temperature Control & 3 Heating Levels: Elevate your warmth with heated vests. Within just five minutes, it intelligently maintains a consistent, cozy temperature, enveloping your entire body in soothing warmth. With three adjustable heating settings - gentle blue warmth (113F), medium white heat (131F), and high red heat (149F) - you have the power to personalize your comfort to perfection.Tailored Comfort with Dual-Switch Design: Our mens heated vest is distinguished by its innovative dual-switch design, allowing you to independently control the temperature for your back, abdomen, and waist. This ingenious feature not only optimizes efficiency but also guarantees a product that's outstanding and built to last. You have the flexibility to choose the perfect temperature based on weather conditions and your unique activity needs, creating a truly customized experience.High-Quality Materials: Crafted from top-tier materials, our heated vests outshines ordinary styles in both texture and durability. It provides superior comfort and exceptional warmth, making it the ideal choice for your winter wardrobe. Whether you're engaging in outdoor activities or looking for a fashionable daily wear option, this heated vest for men has you covered.Flexible Sizing, Easy Maintenance: Our heated vest suits various body types, including men, women, youth, and the elderly. Use our size chart to find your ideal fit from three available sizes. Maintaining your vest is easy. Before washing, remove the power bank and cable, zip the pocket, and place the vest in a laundry bag. You can hand or machine wash it, but be gentle while hand washing to preserve its quality and durability.