1Humanized Design: Designed with heating area for areas prone to be cold, which is considerate and comfortable. It is made of comfortable fabrics and preferred polar fleece, so it is comfortable, warm, windproof, anti-static, lightweight, and close-fitting. 2Soft and Comfortable Fabric: Using carbon fiber heating wire, the heating is stable, safe, and reliable, which is energy-saving, green, soft, comfortable, and washable. 3Good Compatibility: 5V USB interface power supply is compatible with most mobile power sources, and heating can be done within 5 seconds. Its thermal conversion rate is three times that of other copper wires. A 10000mAH power bank can continue to heat up to 12 hours (not including the power bank). 4One-button Heating: With three-speed temperature control, there is an intelligent heating function. They are warm temperature 65C, comfortable temperature 55C, and energy-saving temperature 45C. therefore, it is the perfect gift for parents and family members for the coming Christmas. 5For Various Applications: Heated vest helps promote body circulation and relax muscle pain. It is very suitable for outdoor activities, such as snowmobiles, motorcycles, mountaineering, camping, hiking, skiing, fishing, hunting, or daily office activities and business use in autumn and winter. This heated vest is a practical and convenient vest for you to keep warm for outdoor activities such as snowmobiles, motorcycles, mountaineering, and camping in cold autumn and winter, which is made of comfortable fabrics and preferred polar fleece with the three-speed temperature control design. Therefore, it is a great gift for family and friends. Specification: Name: Heating Vest Fabric: Polar fleece Color: Black and blue Size: S-XL Ocn: Daily wear/cycling/climbing/camping/hiking/skating, etc. Cleaning Method: 1. Machine wash or hand wash; 2. Please do not wring dry by hand. 1*Heating Vest