Overview:

The principle of this product is RGB (red, green, blue) seven colors, gravity sensor key light, flash cycle method. Transparent part is acrylic transparent. Install battery start (without battery).

Use steps: Put on the battery, on the table --- Put on the cup --- coaster shine --- Remove the cup --- coaster off

Product Size: 2 * 9.5cm

Note:

1.Product are taken in kind, but because of lighting problems, pictures may have a slight chromatism.

2.Due to the difference between different monitors, the picture may not reflect the actual color of theitem. Please consider this before the purchase.

3.Please allow slight deviation for the measurement data.