Marantz CDR300 Portable CD Recorder Marks each minute of spoken word as a track so that during playback the listener can automatically navigate to a minute-specific track Reliable Battery Backup Using the optional RPS300 battery system, you can record up to four hours in the field First-rate meeting recording Convenient, tabletop design, built-in microphone, internal speaker, and microphone inputs, automatic level control, mic filtering, limiter Programmable EQ make stereo recording possible without the need for external mic preamps or mixer