Sennheiser HMD 46-31 Lightweight Boomset without Activegard - Sennheiser 2 Year Limited WarrantynMicrophone Type: DynamicnCable Length: 6.1u0026#39; / 1.85mnThe Sennheiser HMD 46-31 Lightweight Boomset is a comfortable dual-ear boomset ideal for air traffic control and other communication. The two-piece headband automatically adjusts to accommodate virtually any head size and the soft earpads provide lasting comfort. The earpieces can flip away for single-ear monitoring, allowing you to hear your environment along with the headset. A noise-compensating dynamic microphone provides excellent speech transmission. The mic sits at the end of a flexible gooseneck, which can be worn on the right or left side for precise positioning. An easily-replaceable single-sided cable provides the perfect amount of slack and minimizes messy tangles.