With the plug-and-play USB connection, you'll experience crisp, digital stereo and more true-to-life calls almost instantaneously. Laser-tuned drivers and a built-in equalizer minimize distortion, so you can get to the heart of all your music, movies and calling. It's the kind of precision audio that exemplifies the difference between merely hearing and truly wanting to listen. Breathe new life into your chatting. The adjustable microphone reduces background noises, so your friends, family and business associates can hear more of what they want'your crystal clear voice. Use the on-ear controls for simple volume adjusting and instant mic muting. Plus, you'll never talk with the mute on again, thanks to the easy-to-see mute indicator light.