Features 1. 17 Heating Zones Fast Heating: Our new heated vest covers 17 heating zones, built with quality carbon fiber heating elements, fast heating in three seconds, with strong insulation. Generate consistent heat for the core parts of the body, including the neck, back, abdomen, and waist, helping to maintain body heat, promote blood circulation, and relieve pain and tension in muscles . 2. 3 Heating Levels: Three heating levels (45, 35, 25) that make it easier to heat desired areas or to heat some areas hotter than others. Built-in overheat protection module, when the temperature is too high, it will automatically lower the temperature to protect your safety. 3. Easy to use: Just connect a power bank (not included) to USB in the pocket and press the power button, the rechargeable electric vest instantly heats up and keeps warm. 4. Lightweight Design: With quilted, lightweight design and thin inner lining for unrestricted comfort and comfort in fall and winter. With a zipper front, you can layer this unisex USB heated vest over a variety of tops to add a touch of style for polished looks. 5. Suit for all occasions: The electric padded vest with stand-up collar can be matched with various clothes for all occasions. Perfect for outdoor activities, hunting, skiing, fishing, motorcycling, cycling, camping, mountaineering, outdoor use, daily office, etc. , 6XL Weight: 370g, 400g, 410g, 420g, 430g, 440g, 470g Voltage: 5V Battery capacity: 20000mAH Usage time: 8 hours Package includes: 1 heated vest ( not included Power Bank)