The Califone 8101 MP3 Player/Recorder with Headphone, intended for classroom use, features integrated volume control for safety, dual headphone jacks for multiple listeners and a microphone for podcasting. It is ideal for nurturing language learning & reading skills, ELL, ELD applications and listening to recorded books and music. Plays MP3, WMA, and WAV audio files. 16-hr play time on a single charge. For more information, visit califone.com.