Proster USB Voice Recorder Mini 8GB Rechargeable Digital Activated Recorder for Lectures Meetings Interviews One Key to RecordStart recording just pushing the button, easy to use. Save Recordings when Power OffIt can save recordings when power off suddently, so no worry about recordings lost after power off. Long Time Recording with 8GB Capacity30 HOURS of continuous recording, ensures that no important massages missing. 20m Recording Distance with Noise ReducationYou can enjoy crystal clear recordings even when you're up to 60 ft. 3 Modes, 3 FunctionsDigital Voice Recorder, MP3 Music Player and USB Disk, One product meets your several needs.