When you get into work in the morning just charge your mug up and watch as the battery on the side gains power. As the mug cools and liquid goes down so does the battery life.
Just add your favourite hot beverage and watch these mugs morph right before your eyes.
Made of thermographic inks, these mugs react to heat, revealing new and fun artwork.
As your beverage cools, the graphics change back to their original state.
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