The Plantronics SHR2082-01 ruggedized headsets with noise cancelling microphone is tough enough for the trading floor of the New York Stock Exchange and used by Landing Support Officers on aircraft carriers. The Circumaural headset delivers clear communication in high noise environments. Over the head noise canceling, Single Ear Circumnaural Headset style. For use in harsh, high noise environments. Compatible with all Plantronics amplifier bases. Cushion Headset band. 30" Straight cord to Quick Disconnect Clothing clip & flexible boom mic with replaceable windscreen. Perfect for large cal centers, factories, airports or any environment with harsh backround noise. The Plantronics SHR2083-01 Headsets end in a Quick Disconnect Cable. Complete your headset with an Amplifier. Most Popular Amplifiers are M12 , CA12CD , P10 , and MX10 . Visit The Headset Compatibility Guide