Sony ICD-SX712 Digital Flash Voice Recorder Built-in 2 GB flash memory 2-Position Stereo Microphone Records in LPCM 44.1kHz 16 bit and MP3 (320 kbps-8 kbps) S-Microphone System, Over 500 Hours of Maximum Recording Time DRAGON COMPATIBLE- work with the Voice to Print Dragon NaturallySpeaking software.