Califone microphone transfers audio through its high-speed USB connector to a Mac or PC for immediate broadcast through a computer"s built-in or connected external speakers. Ideal for language-oriented activities in classrooms, libraries and for presentations. Its low distortion and frequency response are optimized for the narrower range of speech intelligibility rather than the broader spectrum used for music, making it a useful tool to reinforce the Speaking and Listening portions of the ELA anchor standards. The 10 ft foot cord allows the speaker the flexibility to move about while presenting.