1,active speakers with eq 2,MIC input, USB/SD input,FM Radio 3,colorful lighting disco 4.EQ,Treb, ... -20KHz20Hz-20KHzS/N Ratio≥72dB≥72dB≥72dBseparation≥84dB≥84dB≥84dBfunctionUSB/SD input,FM radio,LED light on wooferdimention/mm430x240x310325×300×550 ... Colorred or otherred or otherred or otherpackingColor boxCARTON boxcarton box 8 inch stage active speaker with Card reader