Sound Monitoring Easily adjust the mic, headphone and echo effect without delay Active Noise-cancelling Reduce all background sound at the push of a button Quick Mute and Music Sharing Tap ounce to quickly mute your microphone for privacy Hold to activate music sharing mode to transmit background music to sing or talk over Ducking Mode Automatically lowers the background music volume when speaking TECHNICAL SPECIFICATION Type: Streaming Impedance : 600 Polar pattern : Cardiod