1) 2.0 professional loudspeaker, for stage, shop, disco and KTV 2) ... (3) professional loudspeaker with USB, SD card, FM, remote control, LED display(4) loudspeaker adapt to ... professional digital vedio amplifier.(5) USB, SD card, FM, remote control, LED display 2.0 professional loudspeaker.( ... , mp4,CD, mobile phone.5,Built-in FM tuner,auto scaning,FM function with frequency range 87.5-108MHZ6,Function ...