DESC: The Axis 301 is ideal for voice conversations and voice-over-IP applications such as Microsoft's NetMeeting and Messenger Software, iPhone, ICQ Phone, AOL IM, Roger Wilco, Online Games, and Speech Recognition. This headset is Dragon Speech Recognition Certified. The microphone, designed to be worn on either left or right side, filters out background noise for supreme voice clarity. The boom firmly holds the microphone in place for highly accurate speech recognition.