The HS-04SU, is great for on-line communication, playing games, or using an MP3 player. It also gives you the flexibility to listen and speak clearly with more comfort and quality.This headset with a noise-canceling microphone also has a volume control and mute button for the microphone. If you're spending long hours at your computer using MSN, Skype, playing a game, or using an MP3 player, you'll get superior comfort as the headband is adjustable. It also has soft rubber surfaces and the ear pads are fitted with soft foam.