Senngeiser Compact and Powerful CX 213<br />Transducer type -Dynamic Driver / transmission range - 25 ~ 20/000Hz / Rated Impedance - 16 ohm / Sound pressure level -115dB (1kHz / 1Vrms) / THD - &lt;0.5% (1kHz / 100dB) / Plug - 3.5 mm Stereo jack plug / Cable Length - 1.2 m<br />4 Color (Red / Blue / White / Black)<br />is offer an easy fit as kernel type earphone / plug is bent a 90 degrees for burnout prevention.<br />Has written L / R on the earphone unit so that you can distinguish the left and right.<br /><br />Is offer an easy fit as kernel type earphone. plug is bent a 90 degrees for burnout prevention. and Has written L / R on the earphone unit so that you can distinguish the left and right. / Spec&gt;&gt;Transducer type -Dynamic Driver / transmission range - 25 ~ 20/000Hz / Rated Impedance - 16 ohm / Sound pressure level -115dB (1kHz / 1Vrms) / THD - &lt;0.5% (1kHz / 100dB) / Plug - 3.5 mm Stereo jack plug / Cable Length - 1.2 m<br />