Specifications:          General Specification             Brand Name        SOMIC             Model Number        P7             Color        White!#!amp!*!amp;Brown             Cable Length        !#!amp!*!ge;1.2m             Product Weight (g)        274g             Connectivity Interface        3.5mm           Technical Parameters             Mic Diameter        !#!amp!*!Phi;4.0*1.5mm             Mic Sensitivity        -38dB!#!amp!*!plusmn;3dB(at 1KHz)             Mic Directivity        Omnidirectirectional              Mic Impendance        !#!amp!*!le;2.2k!#!amp!*!Omega;                                  Speaker Driver    Diameter        !#!amp!*!Phi;40mm             Speaker Sensitivity        93dB!#!amp!*!plusmn;3dB             Frequency Response        20Hz-20kHz            Impedance        32!#!amp!*!Omega;    Package  Included:                  1 X SOMIC P7 Headphone            1 X Audio Cable            1 X Manual            1 X USB Cable