HIGH-QUALITY MATERIAL: LED car coasters are made of acrylic, they are dustproof with a waterproof surface that ensures the cup is kept safe, and the smooth surface is easy to clean for long-term use. VIBRATION SENSING: When the luminous cup mat senses vibrations, it automatically lights up in the dark, and the lights automatically turn off after 15 seconds without sensing vibrations, it is smart and convenient. PACKAGE CONTENT: You will receive 2 pcs LED car coasters and 1 pc USB cable. It is convenient to connect directly to the car's USB interface, and the fine performance makes the LED cup holder lights work for a long time (about 8 hours) after full charge. ADD THE COOL COLOR TO YOUR CARS: Our LED cup holder light has 3 modes (colorful, breathing, and gradient) and 7 light colors (white, red, blue-green, yellow, purple, and ice blue). You can change the colors freely according to your mood, giving you a cool driving experience. EASY TO USE: There is a button on the back of the USB charging mat to control the light mode and change the light color, an adorable gift for family, friends, colleagues, and most car owners.