USB charging coaster instructions Note: Cup Holder Lights, please tear off the protective film on the surface before use. Since the electricity will be released during transportation, please charge it before use How to use: When using it, please press and hold for 5 seconds to turn the product on or off. Press and hold for 3 seconds to switch the mode. There are modes such as constant light, flashing light and breathing light. Our product: is developed based on the night and vibration mode. After turning on, it will automatically turn on when it is dark, and when it is at rest for 10 seconds, the light source will be turned off without the need to manually turn off the switch. Hope it helps you