Easy listening the pc 230 offers first class sound for listening to music on your computer chatting gaming or watching a dvd high quality sennheiser speakers and an advanced noise canceling microphone give you stereo quality of the highest order the pc 230 is light and comfortable to wear with simple and innovative features that make it easy to usesmart microphone the microphone boom is designed to swivel almost 360deg so you can choose to wear it on your right or left ear the pc 230