Unisex Autumn winter Smart heating Cotton Vest USB Infrared Electric Heating Vest

Features: *1. 5 Heating Zones and 3 Temperature Adjustments: 5 carbon fiber heating elements generate heat across the waist, belly and upper back; One button for 3 heating settings: 40℃/104℉ to 70℃/158℉ with the smart heating system. *2. USB Charging: Easy to charge. You need to always connect 5V2A mobile power (this product does not include mobile power). The mobile power needs to be removed during washing. *3. Safe and Healthy: Only 5V far infrared heating, far below the human body safety voltage 36V. Stable heat and body safety voltage. Suitable for better warming of the abdomen and waist area. *4. Large-area Heating: The electric heating vest has Five built-in heaters, which have a blood circulation and warmth function, which not only warms your stomach, back, waist and abdomen, but also promotes blood circulation. *5. Wide range of applications: This heated vest is ideal for outdoor skiing, winter fishing, mountain biking, cycling, camping, snow hiking, hunting, outdoor