• 【Liquid Activated】-This LED light flashing cup glows and flicker automatically when drinks are added, it turns off when there is no liquid left. Flickering in the darkness with dreamlike feeling let you enjoy different drinking moment.
• 【Battery Changeable】- CR 2025*2 button batteries are installed under the glass so you can use it as you receive it. Battery last 10-40hours. And batteries are changeable, just replaced by opening the battery compartment door with a coin.
• 【Easy to Use】- Pour liquid into the LED flashing cup until the liquid completely covers the bottom at least, the led light will start to flashing and it turns off when there is no liquid left.
• 【Environmental & Harmless】- Denshine flashing cup is made of clear acrylic, which is non-toxic harmless and durable, make sure long service life.
• 【Best Gifts & Decoration】- Denshine flashing cup is nice gift for families or friends. Perfect decoration for your parties, bars and discos.

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