Relax & unwind music STYLISH APPEARANCE, HD AUDIO QUALITY BRINGS YOU COMFORTABLE MUSIC, LET YOU ENJOY THE BEAUTY OF MUSIC SENSITIVITY:------96+/-3dB(at 1KHz 0.5V ms) FREQUENCY RESPONSE:-----20-20KHz FREQUENCY ESPONSE:---30-16000Hz SPEAKER SIZE:10mm CORD LENGTH:---≤100cm DIRECTIVITY:-42dB+/-3dB