... romate control Good looking and hight quality 2.1 mini computer speaker SA-7400 Specification:Output Power:RMS 70W ... :>89dBSpeaker units:5"bass+2*3"full rangeFrequency response:40Hz-18KHzDescription:1.Built-in USB and ... screen3. With remote control4.With Karaoke function,2 microphone socket input5.Volume,bass,treble,mic-volume ... sets 40'HQ:(68m3):1690sets 2.1 mini computer speaker system SA-7400