1. Support telephone/mobile recording, smart recording/schedule recording, 3. Supports VOR recording, 4. VOX function 5. MP3 ... Voice Recorder 8GB with external microphone, 50 hours recording time, schedule/telephone recording, mp3 playerFront:Back: Side: Packing/Family: Size: Instruction ... Voice Recorder 8GB with external microphone, 50 hours recording time, schedule/telephone record