H151_h151 ! H151 H151 !! Logitech Headset Headphone

The H151 headset features stereo sound, a rotating and adjustable microphone, and in-line controls for volume and mute. It uses a 3.5 mm audio jack for connection and has an input impedance of 22 ohms. The sensitivity for the headphone is 122 dB (+/-3 dB), and for the microphone, specific sensitivity details are not provided but similar headsets typically range around 40 dB to 50 dB.