* Has a volume control molded into the cable. * Length of cord 1.6M. * Headphone frequency 20-18000 Hz * Headphone Impedance 32 Ohm * Headphone Maximum power 100mW * Headphone Sensitivity 101 dB S.P.L. at 1 kHz * Headphone Jack 3.5mm Stereo *Microphone Jack 3.5mm Stereo * Microphone frequency 20-16000 Hz * Microphone Impedance 2k Ohm * Microphone Maximum power .5ma * Microphone Sensitivity -68 dB at 1 kHz