| 摘要 |
A portable device/appliance for cooling and heating beverages on a center circular metallic object/pad. The appliance body is of square shape made of hard plastic with a circular metallic pad that includes an assembly that heats and cools beverages with the help of a switch. It has an electrical means by plug/adapter for connecting to a source of direct current and for enabling the polarity of the direct current provided to be reversed so that the device can either heat or cool the beverage container that is placed on the circular metallic object/pad. It also has the ability to heat and cool beverages by battery and by USB cable connected to a PC/Computer with a USB outlet. These 3 ways of power give the device it's portability. The fact that it operates via battery power also makes it a true portable device.
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