Battery Color Changing Thermometer Heat Mug Sensitive Porcelain Tea Coffee Cup

It is a magic sensitive Thermometer Heat mug, inject hot water to keep full battery, remind you drink more water to keep health!

It is a Coffee/water Mug Packaged individually in an attractive gift box.
The unique feature is a printed heat sensitive battery which is designed to resemble an automobile battery shape.
As hot liquid is pored into the mug the electricity gridturns green.
Dimention: 8*8*9.5cm 
Packing size: 11*9*13.5cm

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