The multi-color water jets makes the water dance to beat.Standard USB power plug, no battery power supply needed. * Concise appearance design, melody perfect match with water dance and LED lamp. The 4 multi-colored LEDs dace to the music at a various heights to create an amazing light show. * The speakers are compatible with any audio device that has a 3.5mm dudio jack connection. * Speaker Diamensions: 22.5 x 4 x 5 cm;Output Power: 3W x 2;Port Type: UAB A male to mini 5 pin 3.5mm audio joint;Cable Length: 1m;Working Current: 280-600 mA;Operating Voltage: DC5V-4.5V;Charging Ways: USB power supply; * Package Includes:2 x Dacing water speakers;1 x 3.5mm stereo audio cable;1 x USB power Cord;1 x Cable connect between the two speakers