Women's Heated Vest with 3 Heating Levels

100% Nylon Machine washable KEEP YOUR BODY AND HANDS WARM: Qualified carbon fiber heating elements with 3 heating levels to generate consistent heat for 4 core body parts, including your neck, back, abdomen, and waist, helping to maintain body warmth, promote blood circulation, and relieve pain as well as tension in muscles. NEAT and TAILORED DESIGN: Lightweight insulated for you to wear in many ways with unrestricted movement; Water and wind-resistant. Sharp fit design will be perfect for wearing underneath your winter jacket. LONG-LASTING USAGE: A 10000mAh power bank offers up to 8 to 10 hours of warmth on average(lasting period can be vary depending on different types of power bank); Power bank is included in our product.