USB insulated lunch box

This is a USB insulated lunch box specially prepared for office workers. It can take power from the USB port and maintain the temperature of the lunch box at 140 degrees Fahrenheit (60 degrees Celsius). So that you can enjoy lunch at the right temperature at any time. It must be a shame if your packed lunch gets cold when you're looking forward to it! Born here from the very popular lunch box furniture oh! Not only your wife's boxed lunch, but also the boxed lunch you bought at the convenience store can keep it warm! Because the temperature inside this small bag can reach 60 degrees Celsius, if you use it, you will feel the food and dishes warm at any time.