100x10mm Round USB Charging LED Light Up Acrylic Coaster Transparent Crystal Base(White Light)

1. Material: transparent acrylic + electronic components2. Light color: white light (three-segment flash), colorful (three-segment flash)3. Function: colorful, luminescent and color-changing; alcohol and beverages enhance the atmosphere4. Power supply: built-in battery for USB rechargeable models5. Battery capacity: 400mah polymer lithium battery6. Use time: charge for 1-2 hours, discharge for about 8-10 hours7. The waterproof design of the cushion body, the acrylic material does not leak electricity8. High light transmittance, better brightness and effect9. The edges are polished carefully, without cutting hands10. The charging port is integrated with the switch. The switch is a touch-sensitive switch. Long press for 3 seconds to switch on and off, and short touch to switch modes and colors11. Size: round 100x4/10mm; square 100x4/10mm; octagonal 100x4/10mm