Oisound Fountain Dancing Water Music Speakers/Apple Speakers(Black) With AUX single mode. Amazing Multi-colored jets of water dance to the volume and beat of music. It's active speaker,built-in amplifier PCB and main control PCB and Comfortable driver by wire design to control volume+/-. Special 2.0 dual channal to supply surround 360 degree stereo sound. Acrylic water tank+ABS base,better translucency of colorful LED light show.