Amplification Type: Active Usage: Computer /mobile phone/IPAD/MP3, MP4 player Size: 20.3*8.5*7.3CM Material: Crystal-clear highlight p Certificate: CE, ROHS Specification: -Support 2-channel audio stereo input. -Support DC 5V input at Mini USB input standard. -Low-power Digital power amplifier module, output power2× 2W. -Duplex line Independent colorful fountain drive+Duplex line independent digital video amplifier. -Symmetric 6 pcs highlight LED lights to guide 6 channels fountain. -LED Colorful fountain running with music playing. -2 pcs per pair