- Advanced dual-microphone noise canceling technology filters out most of background noise to provide smooth call conditions with security - Neodymium magnet speaker delivers fantastic and powerful sound quality - DSP (Digital Signal Processing) echo cancellation and enhanced voice extraction make sure clear voice even in a very noisy environment - Stereo sound (Epic 512) and dynamic EQ optimize the sound quality for calls music and multimedia - Convenient call controls including call answer/end mute volume+ and volume- - Lightweight memory steel headband rotatable ear cap and soft leatherette ear cushions provide comfortable use on a daily basis - Plug and play easy to set up and fast to deploy - Busy light indication shows the working status and prevents unnecessary interruptions - ADDASOUND�s headsets follow the International Noise Safety Standards and help create a safe and comfortable work environment - Headset bag included for travel or home storage - *** Call Answer/end and busy light only work on Skype for Business"