Mug tells you the temperature



There is nothing quite like sipping on a cup of hot coffee in the morning, but how many of us are alert enough the moment we get out of bed to know that something is hot/cold? With this Hot-Cold Mug, you will be able to tell the difference verbally, as it is capable of changing its color gradually from total white to black, where the former indicates that it is as hot as the surface of the sun itself while the latter means there is no more heat left in the coffee. The Hot-Cold Mug retails for $25 a pop and makes for a great office present.

Product Page via GadgetRoad

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