Logitech H390 Wired Headset Stereo Headphones

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)...