... speaker system with remote control FM,USB,SD card reader,Karaoke VFD display Hot sales in Africa OEM 3.1 digital speaker system ... with remote controlFM,USB,SD card reader,KaraokeVFD displayHot sales in ... :≥80dBPower supply : ~220V-240V/50-60Hz Functions :FM/USB/SD card reader / VFD and remote controller Color box size :42.8 ...