Clear-Com CC-400 Double-Ear Intercom Headset | Connector: X6The CC 400 (double ear) headset features high performance headphones and cardioid dynamic microphone that provide high quality audio. The CC 400 headset can be easily adjusted to accommodate the preference of any user. The microphone boom has a 300 rotation to allow the microphone to be worn on the left or right side of the head. Users can make the headset larger or smaller by using the slide adjusts on either side of the headband. Cushioned with