Headphone can be used for many occasions such as Internet telephony， game， education lab， video conferencing， etc. For this reason， when you come to choose a headphone， you should pay attention to its tone quality. This High-Quality OV-Q2 USB Headphone from our website can provide you high-quality sound. Designed with high technology， it can transfer sound quickly and clearly. In addition， this fashionable headphone can match you perfectly. It is a good choice for you. You cannot miss it.                                    Features            Adjustable headband makes you much more convenient<br>It has the function of noise<br>It is comfortable to wear<br>Provide you high-quality sound<br>Transfer sound quickly and clearly<br>It can match you perfectly<br>New and high-quality<br>                                                            Specifications             Color     Black    <br> Headphone Unit     Φ40mm (1.57in)    <br> Frequency     20~20000Hz    <br> Impedance     32Ω + 15%    <br> Senstivity     108dB ±2dB    <br> Max. Input Power     100mw    <br> Microphone Type     Condenser    <br> Unit     Φ9 x 7 mm    <br> Frequency     50~1600Hz    <br> Senstivity     -58dB ±2dB    <br> Cord Length     1.8~2 M    <br> Weight     10.93 oz / 310 g        <br>                                                             Package Includes            1 x USB Headphone<br>