Model No - Sony Digital Voice Recorder-ICD-PX820

General
Built-In memory  2GB
Channel  Stereo/Mono
Recording Format  MP3
Playback Format  MP3
Messages/Folders  495/5
Earphone Jack  Yes
Battery type  2 x Alkaline AAA battery
Dimension (W x H x D)  37 x 111 x 21.2mm
Weight (including batteries)  Approx. 71g
Mic-In Jack  Yes
Supplied Accessories  1 x PC Application Software, 2 x Alkaline AAA battery, 1 x USB Cable, 1 x Stereo Headphones, 1 x Carrying pouch

Recording time
LP  535hrs 55min
SP  89hrs 15min
SHQ  22hrs 15min
HQ  33hrs 25min

Functionality
Voice-Operated Recording (VOR)  Yes
Noise Cut Function  Yes
Digital Pitch Control  Yes

SPEAKER
Speaker power output  300mW
Speaker size  Approx. 28mm (with Magnetic)

Overall frequency response
LP  80 - 3,500 Hz
SP  75 - 15,000 Hz
HQ  75 - 17,000 Hz
SHQ  75 - 20,000 Hz

Warranty - 1 Year.