"The Sony ICD-UX512 voice recorder is designed to record dictation on Built-in 2 GB flash memory.Sony Voice Recorder Features:- High sensitivity and less noise (\"S-Microphone System\") - Intelligent Noise Cut\" for clear speech playback- Linear PCM (CD Quality) and MP3 recording modes- Windows\/Macintosh compatible- USB direct PC link- Easy recording setting with scene select function- Voice operated recording- Easy editing function- MP3\/WMA\/WAV\/AAC playback- Graphic equalizer for music playback- USB recharging with supplied CycleEngery battery- 2 GB built-in memory (over 500 hours recording time)"