Works with Windows-based PCs and common calling applications including Logitech Vid HD, Skype, Gmail, Yahoo! Messenger, Windows Live Messenger and AIM | Convenient in-line controls let you easily adjust volume and mute the microphone | Adjustable headband and foam ear cups for a personalized, comfortable fit | Versatile noise-cancelling boom microphone lets you be clearly heard, rotates out of the way, and can be worn on the left or right side | Full stereo sound for crisp, clear voice and video calls | Full stereo sound for crisp, clear voice and video calls | Versatile noise-cancelling boom microphone lets you be clearly heard, rotates out of the way, and can be worn on the left or right side | Adjustable headband and foam ear cups for a personalized, comfortable fit | Convenient in-line controls let you easily adjust volume and mute the microphone | Works with Windows-based PCs and common calling applications including Logitech Vid HD, Skype, Gmail, Yahoo! Messenger, Windows Live Messenger and AIM