describe :

Order the Glowing Water Coaster with USB Charging Cable! ! !

? Material: Acrylic LED light

? Lighting color: 7 color variations (white, red, pink, orange, ice blue, blue, green)

? Size: Diameter: 6.8CM

? Charging function: USB charging ~ 15 days charging 2 hours

【Instructions for use】

1. Press and hold the green label button on the back without letting go.

Blinks for about 3 seconds, indicating that it is turned on.

2. Only in a dim place (at night), plus vibration (when driving), will the light be sensed.

3. Do not move for 20 seconds, automatically enter the sleep state and turn off the light. If you move it again, it will glow.

4. Press and hold for 4 seconds, the button light will turn off.

5. After using for a period of time, the light does not light up and there is no electricity. It needs to be charged by USB.

6. If the light is too strong during the day, it will not be bright. It will be very bright at night or in dim places.