Upgraded Visual Effects: These Led coasters are made of acrylic with LED lights embedded inside, creating a brighter and more colorful visual effect than ordinary coasters Enhanced Decorative Feature: The multi-colored LED lights of Barsys smart coaster can be switched between blinking, slow blinking, and continuous light modes, adding a vibrant to your drinks Versatile Lighting Options: Light up cubes for drinks offer three different lighting modes to choose from, allowing you to customize the visual effects according to your preference Bright and Eye-catching: These Led coasters are brighter and more colorful than the standard ones, making them a stylish and eye-catching addition to your bar or table setting Innovative : The light-emitting effect of Led coasters adds a unique and decorative to your drinks, enhancing the overall visual appeal of your beverages