Features: 1. 4 Heating Zones and 3 Temperature Adjustments meet your different needs. 2. USB Charging: Easy to charge. You need to always connect mobile power (this product does not include mobile power). The mobile power needs to be removed during washing. 3. Safe and Healthy: Stable heat and body safety voltage. Suitable for better warming of the abdomen and waist area. 4.Wide range of applications: This heated vest is ideal for outdoor skiing winter fishing mountain biking cycling camping snow hiking hunting outdoor attendance winter street daily office etc. 5.Safe and lightweight: Comfortable & skin-friendly touching smoothly and warmth better. It can help you spend the whole winter easily without wearing big clothes in cold conditions. Notice: Please allow 1-3cm deviation due to manual measurement Actual color may be slightly different from the image due to different monitor and light effect Asian size is smaller than eu/us/uk size please compare the detail sizes with yours before purchasing. Description: Material: Polyester Size: As shown Voltage: 5V universal Charging method: USB charging Mobile power: not included in the product (10000mAh available customers can also bring their own mobile power with other capacities) includes: 1x Vest "