Light up your ride with these high-tech waterproof coasters! With vibration-sensing smart design, these light up coasters will cycle through 7 colors when dark or when sensing vibration and turn off and on with a simple long press of the power button. Features 3 color modes. Includes a MICRO-USB cable for charging, so you can keep the good times rolling for up to 8 hours per full charge!

How to use:
1. Button on the back of the light to control light mode and changing lights
2. Long Press to turn on and down the lights.

3. Press power button once to select color or change color
4. Fully charged in half hour, battery lasts about 8 hours