Provides a lightweight, comfortable fit that adjusts to the shape of your head. * Plug into any USB port for a clear, digital connection in full stereo?perfect for Internet calls, music, movies, and games. * Voice and video calls made with Logitech Vid, Skype 4.0 for Windowsor later, and Skype 2.8 for Macor later sound so clear * Reduces annoying background noise and rotates out of the way when you?re not using it. * Quickly adjust volume or mute the microphone.