Ernie It ’s wonderful. I bought it for my spouse for our grandsons baseball games. She enjoys the regular heat it provides to the back again of her neck. Magnificent solution. The heated vest is charged through the USB port. Our USB plug is compatible with most ability banks https://dominickycgkr.develop-blog.com/38615680/the-fact-about-heated-body-warmer-ladies-that-no-one-is-suggesting