The DECIBEL high-noise headset has a walkie-talkie radio built right into it. No need for other cables or radios. Talk directly with others in a variety of high-noise environments. Great for TOURS, GUN RANGES, OFF-ROADING, WORKING IN HIGH-NOISE, OPERATING HEAVY MACHINERY, WAREHOUSING, etc. For more information contact Matthew at firstname.lastname@example.org or visit our website: https://www.kleinelectronics.com/decibel-with-built-in-frs-two-way-radio/ For a limited time only, purchase 2 DECIBEL headsets and get 10% off using the code "DECIBEL2"