Health Care & Safe Heated Vest: 11high-quality carbon fiber heating elements generate heat for 4 core parts of the body, including the neck, back, abdomen, waist, etc. to help keep the body warm and promote blood circulation.High-quality Thermal Fabric: Close-fitting design with hood to provide extra wind protection. It has a durable waterproof finish, windproof and waterproof, light and warm.Safe and Intelligent Heating: Use 10000mAh 5V UL/CE certified battery pack(Power bank is not included), which can provide up to 3 to 5 hours of heat. One-key adjustment of 3 levels of heating (high/medium/low), convenient and intelligent.For All Occasions: Heating vest can be used in a cold environment. For example, daily commuting, skiing, hiking, hunting, ice fishing, skiing, mountain climbing, etc. It is an ideal gift for family, friends and employees.