الوصف

This USB thermal insulated lunch-box can automatically reheating food
and keep heat preservation when connected to PC USB interface. The design is novel, fashionable and easy to carry. 5V low voltage is adpoted, which is safe,energy-saving and without risk. Advanced heat preservation method is adpoted so that the heat would not leak away. You are advised to use more tightness lunch-box to take food, then put it into heating thermal insulated lunch-box bag, insert into the USB interface of computer or USB port of adaptor. The temperature can be reached
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