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