Apparently not every one has a microwave oven in the office. So if you want to conveniently heat your lunch, the USB lunch box warmer should be able to help you.
This is a practical USB gadget designed to offer you an easy way to heat lunch in the office. As we can see from the images, the USB warmer is a thermal bag that measures approx 146 x 204 x 92mm. The thermal bag features two built-in USB powered heaters, incorporated into the top and bottom. When you plug its USB port into your computer, the thermal bag can make 50 degrees centigrade in order to keep the lunch box warm. In addition to USB port, the USB warmer is also powered through accompanying AC adapter. Apart from that, it ships with a plastic lunch box.
The USB lunch box warmer is available in three colors, including black, red and blue, each one is priced at $30 USD. If you’re interested, jump to Brando for more details.