It has an in-built microphone for taking calls. Click the button on the 1.2 meter High quality cable and have a clear high quality conversation with great calling experience., Impedance :16 Ω (at 1K Hz), Cord Length :1.2M, Freq. Response :20Hz-20K Hz, MIC Sensitivity :-42+/-4dB, Sensitivity :96dB +/-3dB(at 1K Hz), Drivers :Φ6mm+Φ8mm, Mic. Driver :4.0 X 1.5mm, Magnet :Neodymium, Rated Input :2mW, Maximum Input :3mW, Plug :Nickel Plated 3.5mm L Plug
