Model No : Sony Digital Voice Recorder ICD-UX523F

General
Built-In memory : 4GB
PC Connectivity : Yes
Channel : Stereo/Minijack
Recording Format : Linear PCM/MP3
Playback Format : WAV/MP3/WMA/AAC
Messages/Folders : 4074/400 (199 messages in 1 folder)
Earphones Jack : Yes
Battery type : 1 x NH-AAA Rechargeable Battery
Dimensions (W x H x D) : 36.6 x 102 x 13.7 mm
Weight (including batteries) : 58g (including 1x NH-AAA Rechargeable Battery)
Mic-In Jack : Yes
Supplied software : 1x NH-AAA Rechargeable Battery Application Software 'Sound Ogranizer'

Recording time
LPCM (44.1 kHz, 16-bit) : 6 Hrs 0 min
MP3 8kbps (monorual) : 1073 Hrs 0 Min
MP3 48kbps (monorual) : 178 Hrs 0 Min
MP3 128kbps : 67 Hrs 05 Min
MP3 160kbps (monorual) : 53 Hrs 40 Min
MP3 192kbps : 44 Hrs 40 Min

Playback time
LPCM (44.1kHz, 16-bit) : 22 Hrs 0 Min
MP3 (44.1kHz, 128kbps) : 24 Hrs 0 Min

MP3
MP3 music playback : Yes

Functionality
Scene Select : Yes
Voice-Operated Recording (VOR) :  Yes
Noise Cut Function : Yes
Low Cut Filter :  Yes
Digital Pitch Control : Yes
PC Data Storage : Yes
MP3 music playback : Yes
Radio recording : Yes
FM Tuner : Yes
USB Charge : Yes
Microphone Input : Yes
Track Mark : Yes
Sync Recording : Yes

SPEAKER
Speaker power output : 90mW
Speaker size : 20mm

Overall frequency response
LPCM (44.1kHz, 16-bit) : 50 - 20,000Hz
MP3 8kbps (monorual) : 60 - 3,400Hz
MP3 48kbps (monorual) : 50 - 14,000Hz
MP3 128kbps : 50 - 16,000Hz
MP3 160kbps (monorual) : 50 - 20,000Hz
MP3 192kbps : 50 - 20,000Hz

One Year Maunfactures Warranty.