This is OV-K23MV 3.5mm Stereo In-Ear Earbud Earphone Headset Black. You can watch videos， play games or listen to songs with this Sterto PC Computer Headphone. It can give you comfortable wear feeling.                                    Features             Comfort in-ear seal<br>In-line volume control<br>Ergonomic angled acoustic design ensures a natural fit <br>3 sizes of ultra-soft silicon caps ensure an ideal fit <br>Foam sleeves create a tight seal for personalized fit <br>Premium metal housing offers accurate sound transmission<br>                                                            Specifications                          Speaker diameter           10 mm / 0.4 inch        <br>          Impedance          32 ohms        <br>          Sensitivity          91dB， S.P.L. at 1kHz        <br>          Frequency response          20Hz-20，000Hz        <br>          Maximum input power          100mW        <br>           Cord length          1.8-2.2 m / 5.9-7.2 feet        <br>              Plugs type          3.5mm stereo        <br>                                                              Package Includes            1 x Black OV-K23MV Earphones2 x Attachment