A4TECH FH200i 3.5mm Stereo HeadphoneA4TECH FH200i 3.5mm Stereo Headphone comes with 3.5 mm Wired 6 ft/180 cm. cable connectivity. This headphone's Speaker is features with Speaker Unit: 50 mm, Frequency Response: 20 Hz - 20 KHz, Sensitivity: 100 dB, Impedance: 16 ohm and also the microphone is featu..