Meco Universal Car Led Cup Mat Water Coaster Solar Power Energy Blue Light Interior Decoration

Description: 1. With vibration induction. 2. Before using it, put it under the light source to charge around 3 hours. (when you find it doesn't work or not that bright, also do this part) 3. Turn On/ Off: There is a button behind the mat, push it for 3min can turn on the light or turn it off. Specification: Material Acrylic Color Black Light Color Blue LED Light Voltage 2.8V Built-in Battery 220MAH 3.7V Solar Panels Voltage 4V Size As the picture shows Package Included: 1 X Cup Mat