Electric lunch boxes help keep food warm or cold for extended periods, allowing people to carry homemade or purchased meals anywhere. Some of the main advantages of electric lunch boxes include temperature control to keep food fresh, adjustable temperature settings, insulation to maintain temperatures even without power, and compact lightweight designs for portability. https://logcla.com/blogs/439869/Electric-Lunch-Box-Industry-is-Trending-Towards-Convenience-and-Portability