Headphone Style:--------------------------In-ear (canalphone) Headphone Frequency Response:--------------20–20000 Hz Headphone Sensitivity:------------------------------102 dBSPL @ 1kHz 1mW Headphone Total Harmonic Distortion:---------- <1% Microphone Frequency Response:-----------100 - 10000 Hz Microphone Pattern:------------------Omnidirectional Microphone Sensitivity:------------- -44 dBV/Pa Microphone Location:---------------Detachable Connector Type:----------------------Single 3.5mm 4-pole plug Cable Length:--------------------------1.2 m / 4 ft. Cable Material:------------------------Rubber -