Compared with the old versions on the market, our led drink coasters are more waterproof, non-slip and dust-proof. They are made of high-quality pc material, which is more durable, safe, environmentally friendly and easy to clean. The coaster has 3 bright rgb colors of red, green, and blue, and has 3 lighting effects: fast flash, slow flash, and constant light. The cool led coasters make your bottles stand out and create a romantic and elegant space for you. Each coaster built-in 2 cr1620 button batteries, compared to cr1200 batteries, our battery lasts for 8 hours to meet your needs at the party. If the battery is dead, just carefully peel off the sticker, take out the circuit board, then remove the old battery and replace it with a new one, and finally put the sticker on.
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