Memory capacity Built in flash memory 64 / 128 / 256MB
External Memory: SD / MMC Up to 256 MB
Battery Life: Up to 7 hours
Data Transmission Speed: Max. 4Mbps
Recording Format: ADPCM
Recording Time & Bit Rate 8K sampling ~36 Hours (128MB)
32K sampling ~9 Hours (128 MB)
Audio Output Power: Max 10mW (5mW per each channel)
PC Interface: USB version 1.1
Power: AAA size (1.5V) Batteries
Size (L x W x H): 70 x 55 x 15mm
Weight: 54g