Winter Heating Underwear Washable for Skiing Fishing Jogging 3-speed

Material : 100% Polyester Gender : Unisex Origin : Mainland China Item Type : Jackets Feature: 1. 3-level Adjustable Temperature: 3-speed temperature control, one-button temperature control. This underwear can start heating in 3 seconds, long duration and long heating time. 2. 5V Safe Voltage: Only heat conduction but not electric conduction, it is safer to use. 3. Washable: The underwear can be washed and will not affect the service life. Note that the interface must be dry before connecting to the power supply. 4. Wide Application: Heating underwear helps to improve blood circulation, enhance metabolism, which is very suitable for people who are afraid of cold. The best solution for various outdoor activities, such as skiing, fishing, jogging, hunting, biking, snow removal, etc. 5. Satisfaction Guarantee: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. Specification: Product name: USB Smart Heating Sweater Heating Long Sleeve Sweater Versatile Pullover Electric Heating Sweater Main material: polyester + velvet Product color: black Product size: M,L,XL,XXL,XXXL Product packaging size: about 400x300x20mm/15.75x11.81x0.79inch Product net weight: about 500g Other parameters: Power supply: USB interface, connect to power bank for power supply (delivery without power bank) Battery endurance: Assuming 1W mAh power bank high-gear 2-3 hours, mid-gear 3-4 hours, low-gear 4-6 hours Note: Due to the different monitor and light effect, the actual color of the item might be slightly d