Padded headband and ear pads.
Frequency response (Microphone): 100 hertz - 10 kilohertz Rotating, noise canceling microphone. Sensitivity (headphone) 94 dBV/Pa +/ 3 dB. Sensitivity (microphone) 17 dBV/Pa +/ 4 dB Convenient inline volume and mute controls Advanced digital
USB,
connections: USB compatible ( 1.1 and 2.0 ) Compatible with Windows Vista, Windows 7, Windows 8, Windows 10 or later and Mac OS X( 10.2. 8 or later)