All necessary connection cords included (USB cable and 3.5mm audio cable) Multi-colored water jets make the water dance to the beat 4 multi-colored LEDs create an incredible light show w/black base Speakers stand 9" tall and are compatible with any audio device that has a 3.5mm audio jack connection Take your music and sound to another dimension! Multicolored lights illuminate jets of water that "dance" to the beat and volume of your music! Set of 2 clear acrylic 3-watt speakers include built-in amplifier, 4 LED lights, connection cables, and installation guide. Lightweight and portable; no batteries needed. Easy plug & play set-up; compatible with iPod, MP3 & 4, and computer. 9" tall.