... stage, shop, disco and KTV 2) USB loudspeaker with USB, SD, remote, colorful lights USB 2.0 professional loudspeakerOutput(RMS): P.M ... , remote control, LED display 2.0 professional loudspeaker.(6) USB professional loudspeaker with euphonious alt, sweet mediant, voluminous bass. ... music, connecting your MP3,CD, DVD, PSP, mobile phone, notebook computer.4. You can enjoy sweet stereo sound product from ...