<ul><li>Speakers - 14.2mm</li><li>Sensivity - 108dD S.P. Lat 1 KHz</li><li>Impendance - 32</li><li>Frequency responce - 20Hz-20,000Hz</li><li>Rated Power - 25mW</li><li>Power Cabality - 250mW</li><li>Cable Length - 1.2mm</li><li>Microphone Unit - 6*5mm-58dB</li><li>Plug Type - 3.5mm Stereo</li></ul>