Mini Speaker with USB Connector Acompanying speaker for PC,MP3,MP4 Pure and elegant ... sound quality with unsurpassed effect Mini Speaker with USB Connector Acompanying speaker for PC,MP3,MP4 Pure and elegant ... sound quality with unsurpassed effectspecificationMini Speaker with USB Connector 1.Acompanying speaker for PC,MP3,MP4 2.Pure ... 200Hz-20KHz 9.SNR:≥85dB Mini Speaker with USB Connector