This is a Ideal fashionable multimedia Headphone with Microphone! It can adjustable headband gives you comfortable wear feeling， with the function of noise cancelling and omni-directional microphone for clear voice pick-up. You can enjoy the maximum music experience with this headphone.                                    Features            New and high quality<br>Adjustable headband， wear comfortable<br>With the function of noise cancelling<br>Omni-directional microphone for clear voice pick-up<br>Soft cushion ear cup for maximum comfort<br>With volume control in line<br>RoHS available<br>                                                            Specifications                        Impedance          32&#937;        <br>          Cord Length          78" - 86"        <br>          Plugs Type          3.5mm stereo        <br>          Max. Input Power          100 mW        <br>          Speaker Diameter          1.57"        <br>          Sensitivity          105dB &#177; 2dB， S. P. L. at 1kHz        <br>          Frequency Response          20Hz - 20000Hz        <br>                                                              Package Includes            1 x Ovleng OV-L808MV Headphone with Microphone<br>