Proster Digital Voice Recorders 8GB Voice Activated Audio Recorder Multifunctional Portable Rechargeable Dictaphone MP3 Player for Interviews Meetings Conversation School Classes and etc 3 Modes, 3 FunctionsDigital Voice Recorder, MP3 Music Player and USB Disk, One product meets your several needs. Voice Operated RecordingCan recording in normal mode or voice activated mode, start recording automatically activated by voice and stop recording when no voice.So it can save save power. 20m Recording Distance with Noise ReducationYou can enjoy crystal clear recordings even when you're up to 60 ft. Long Time Recording with 8GB Capacity30 HOURS of continuous recording, ensures that no important massages missing. Lightweight, High-quality Aluminum BodyBeautiful with a color LCD display. Light and small, convenient for you to carry to anywhere.