1. Smart light sensing, vibration activation, and color switching
2. Sensitive, intelligent systems
3. Material: acrylic
4. Structure: light sensor + vibration sensor
5. Installation location: Car water cup tank
6. Luminescence mode: Colorful mode/breathing mode/monochrome mode
7. Built-in Battery: polymer lithium-ion battery 150MAH
8. Charging Method: USB charging built-in Lithium Battery
9. Luminescence Condition: Used in dim environment, vibration activated luminescence for 25 seconds
10. Coaster size: 6CM diameter

How to use it:
1. Charge the battery 30-90 minutes after receiving it
2. Tear panel mold, small scratches are normal, do not recommend tearing
3. Debugging environment: dark environment, under the garage, night, and so on
4. Color switch, light mode switch, click the back button