Sony ICD-UX512 2 GB Flash Memory Digital Voice Recorder (Color varies) Built-in 2 GB flash memory Records in LPCM 44.1kHz 16 bit and MP3 (320 kbps-8 kbps) Records in LPCM 44.1kHz 16 bit and MP3 (320 kbps-8 kbps) Records in LPCM 44.1kHz 16 bit and MP3 (320 kbps-8 kbps) Approximately 29 Hours of battery life (recording)