Introduction: This behind the head style headset provides tough, reliable, two-way radio communication and can be used in applications including auto racing, industrial & heavy equipment operation, recreational off-roading 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 two-way 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 2-Pin style connectors and is commonly used with our RH-5R handheld radio. Please see below for an expanded list of compatible two way radios. Features: Includes H41-CF Behind-the-Head Headset & CC-KEN 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