Designed with quality and comfort in mind， the OVLENG V9 Smart Headphones brings you a higher level of listening pleasure. High-grade speaker driver units produce dynamic stereo sounds and deep， crisp bass. Meanwhile， in-line remote control adds to the ease of volume adjustment. Wide， lightweight headband with foam padding ensures maximum comfort and its adjustable design fits any head shape. With 3.5mm standard plug， it is compatible with a wide variety of audio devices. Don&acute;t hesitate to buy now!                                    Features             Bring you a higher level of listening pleasure<br> High-grade speaker driver units produce dynamic stereo sounds and deep， crisp bass<br> In-line remote control adds to the ease of volume adjustment<br> Wide， lightweight headband with foam padding ensures maximum comfort<br> Adjustable headband design fits any head shape<br> 3.5mm standard plug， compatible with a wide variety of audio devices <br>                                                            Specifications             Frequency     20~2000Hz    <br> Impedance     32Ω±15%    <br> Senstivity     108dB±2dB    <br> Max. Input Power     100mW Microphone    <br> Frequency     50~1600Hz    <br> Impedance     1.2KΩ    <br> Senstivity     -58dB±2dB    <br> Cord Length     1.2m Other    <br> Color     Blue    <br> Dimensions     (6.69 x 6.30 x 2.76) " / (17 x 16 x 7)  cm(L x W x H)    <br> Weight     3.56 oz / 101 g     <br>                                                             Package Includes            1 x Headphone<br>1 x Connect Cable<br>