Car Cup Holder Lights, Acrylic Luminous Coasters Mats Pads with USB Charging for All Models

【High Quality Acrylic】: Made of high-quality acrylic, not easy to break, the bottom rubber pad has excellent anti-slip properties. 【Smart Sensor】: Car cup holder lights built-in light sensor and vibration sensor, the coaster will automatically turn on when dark or vibrating, and will automatically turn off after 15 seconds of inactivity or under strong light. 【USB Charging】: This LED coaster has a diameter of 6.8 cm/2.7 inches and is widely suitable for any vehicle with a cup holder installed. The product contains a lithium battery that can be charged via USB. 【Suitable For Variety Scenes】: Not only coasters, the advanced LED used can emit 7 colors of light and has 3 lighting modes. It can also be used for ambient light at parties, bedrooms, bars, etc. 【Instructions for Use】: Long press the power button for 3 seconds to turn the cup holder light on or off. A short press cycles through the modes; pressing the button for the 10th time sets the device to constant brightness mode.