The Beyerdynamic 721042 is a headset with condenser microphone for on-air news and sports commentaries. The headsets in this series dispose of a dynamic headphone transducer with a frequency response of 10 - 30,000 Hz and excellent isolation from ambient noise. The single cable is detachable, the ear cushions are replaceable. The pivoting gooseneck microphone- boom design, can be swivelled to work on the left or right side of the headset, or set to the upper position when not in use.