Sony ICD-PX440 Digital Voice Recorder 4GB USB inc Stereo Mic Black
Record MP3 audio and play back through the 300 mW speaker.
Long battery life enables up to 96 hours recording (MP3 8 kbps).
4 GB of memory lets you store up to 1043 hours (MP3 8 kbps).
Intelligent Noise Cut reduces ambient noise for clear playback.