1.Updated New Heated Vest with Lights-out Design: DOACE heated vest has excellent windproof and warm-keeping quality, ensuring you be able to enjoy exceptional warmth while still maintaining peak performance with unrestricted movement! And you can control the light on/off at your will while the heated vest is working. It is specially designed for most people like cold weather workers and others performing outdoor activities (like cycling, hiking, and other winter sports). 2. Updated Heating Zones: Professional design, breaking the conventional 3 heating areas, Our new vest covers 5 heating zones including back, belly, shoulders and waist. Built-in high-quality carbon nanofiber heating element, the latest upgrade of rapid heating technology, provides you with continuous heat in the cold winter. 3. 3 Heating Levels: 3 heating levels from 45/ 113 to 65/ 150. You can choose how to heat the heating pads according to your own demands. A single charge works up to 8 hours of long-lasting warmth to keep you warm and comfortable as spring. And the individually controlled design makes the heated vest more power-efficient and more durable. 4. Battery inner pocket design, work with a common 5V/2A or above power bank with a USB port. To ensure warmth throughout the day, you can choose a High-Storage power bank.(Power bank is not included). 5.Warming Gift : Ideal winter gift for parents, families, friends, loves ones during Thanksgiving Day, Christmas Day, or just because of chilly weather, or just be a special treat for yourself.