The USB Lunch Box Warmer Bag is specially design for office workers or someone don’t want microwave oven heated food. Measuring 208mm x 147mm x 77mm and weighing at 175grams, the gadget uses an available USB port on your computer to heat up your lunch contents thanks to two built-in warmer pads. The lunch box will warm your meal to 140° Fahrenheit (60° Celsius). You can purchase the USB Lunch Box Warmer Bag for just $29 a pop. [Gadget4All]
