▪Item:USB LED Coaster
▪Material: High-quality Acrylic
▪Size：68mm
▪Color: Blue, Red, White, Yellow, Green, Pink Purple, Ice Blue
▪Built-in battery: 200MAH lithium battery
▪Install position: Water Cup Trough
▪Products include:2 cup mat and 1 Charging Cable
▪Use: There is a switch button on the back of the LED water coaster, long press for 3 seconds to turn on/off.
▪Power supply: USB charging. It can be used normally for about 15 days when fully charged.