Boom2O Dancing Water Speakers create a fun visual show that goes with your music. The water inside is illuminated by colorful LEDs as it ripples and rises to the beat. These dancing light speakers come with a USB to mini USB cord, a standard audio input cord and a UL/CUL power adapter. They're also lightweight for easy transport and repositioning. Boom2O Dancing Water Speakers connect to your laptop, tablet or mobile device via a standard audio cord, enabling you to play music from a wide variety of sources. Each speaker is lit up by four separate colored LEDs.