Item Type: Electric Heating VestMaterial: Polyester, Carbon Braze, Cotton117 Heating Zones: Heated vest features 17 heating zones that provide consistent warmth to 17 core body areas, including the neck, back, abdomen, and waist, keeping your entire body warm and cozy. 23 Heating Levels: With 3 heating levels ranging from 35 to 55, you can easily adjust the temperature to meet your specific needs, ensuring optimal comfort even in the coldest winter days. 3USB Powered: Smart heating vest is powered by a portable charger with a 2A or 2.4A USB output, allowing you to stay warm and protected in any weather condition, perfect for outdoor activities. 4Long lasting Heat: By inserting a 10000mAh battery pack (not included), this polished heating vest can keep you warm for up to 7 hours on low level, 5 hours on medium level, and 3 hours on high level, providing continuous and reliable warmth. 5Stylish and Comfortable: Designed with a lightweight and seamless construction, this heating vest offers a snug and comfortable fit. The front zipper design allows you to layer it over various outfits, adding a touch of fashion to your winter wardrobe.1 x Heating Vest