Brand : romaaCompatible with iPhone and AndroidVolume Control ButtonsBright & Clear High PitchStrong BassComfortable wear feeling and listeningFrequency Response 20Hz ~ 20KHzConnector: 3.5mm audio jackCord Length: 1.3mMicrophone : -48+3DBThe headphone housing effectively isolate from outside noise interfaceThe noise suppression technology can be improving the quality of music