Model No - Sony Digital Voice Recorder-ICD-SX813

General
Built-In memory  4GB
PC Connectivity  Yes
Channel  Stereo/Mono
Recording Format Linear PCM / MP3
Playback Format Linear PCM / MP3 / WMA / AAC / LPEC
Messages/Folders  4074/400 (199 messages in 1 folder)
Earphone Jack  Yes
Battery type  2 x NiMH AAA Rechargeable Battery
Dimension (W x H x D)  Approx. 32.4 ? 137.8 ? 16 mm
Weight (including batteries)  Approx. 92g (Including 2 x NiMH rechargeable batteries)
Mic-In Jack  Yes
Supplied Accessories  2 x AAA NiMH batteries with case, Noise Canceling Headphones, Earbuds (S, L), USB cable, Wind screen, Stand, Telephone recording microphone, Application software 'Sound Organizer', Carrying pouch

Recording time
LPCM (44.1kHz, 16-bit)  6hrs 0min
MP3 (44.1kHz, 128kbps)  67hrs 5min

MP3
128kbps Recording Time  67hrs 5min
Number of MP3 Songs (128kbps, 1 song = 4 min)  1006
MP3 music playback  Yes

Functionality
Voice-Operated Recording (VOR)  Yes (Digital)
Noise Cut Function  Yes (Intelligent noise cut)
Low Cut Filter  Yes
Scene Select  Yes
Digital Pitch Control  Yes
PC Data Storage  Yes
Directional microphone  Yes
MP3 music playback  Yes
Digital Voice Up  Yes
USB Charge  Yes
Microphone Input  Yes
Digital Limiter  Yes
Pre-recording Buffer  Yes
Track Mark  Yes
Sync Recording  Yes
Cross-memory recording  Yes

SPEAKER
Speaker power output  150mW
Speaker size  16mm

Overall frequency response
LPCM (44.1kHz, 16-bit)  40 - 20,000Hz
MP3 (44.1kHz, 128kbps)  40 - 16,000Hz

Warranty - 1 Year.