Interesting Bulb Ceramic Mug Heat Discoloration Cup

Capacity: 300mL

Color: As picture shows

Material: Ceramic

Fashion element: Bulb pattern

Interesting Bulb Ceramic Mug Heat Discoloration Cup, black, cylindrical, mysterious and enigmatic. You can't image even an ordinary cup have so much magic power. When being injected into hot water, a battery in the cup will be immediately charged then the bulb lights,and fully charged. And when the cup slowly cools,the bulb will be power off. Is it amazing? This Interesting Bulb Ceramic Mug Heat Discoloration Cup will certainly give you full power to make your day full of vitality. Drink more water, live healthier life!