Introduction:This behind the head style headset provides tough, reliable, twoway radio communication and can be used in applications including auto racing, industrial & heavy equipment operation, recreational offroading and much more! Features a dynamic noise cancellation microphone for clear transmissions and Clear Hear speakers for unsurpassed audio performance. For Rugged Radios headsets are built to perform in extreme noise environments combining the latest technology with firm, yet comfortable fit for optimum communication.These radios are to be used with a twoway radio for communication. They are not capable of connecting directly to each other via a cable for communication. The included cable is compatible with for Kenwood 2Pin style connectors and is commonly used with our RH5R handheld radio. Please see below for an expanded list of compatible two way radios. Features: Includes H41CF BehindtheHead Headset & CCKEN Coil Cord Cable. Compatible with for Rugged Radios, for Kenwood, for Baofeng, for HYT & for Relm Handheld Radios. 24 Decibel NRR Hearing Protection with Ear Dome PTT. Clear Hear Audio Speakers with Volume Control. 3.5mm Input Aux Port For Music & Scanners. Specification: Name: Military Marking Line Blue Overhead Type Aviation Earphone Weight: approx. 458 g Product size: approx. 23*17*7 cm / 9.1*6.7*2.8 inch Package List: Headset * 1 Military standard cable * 1