1. USB voice recorder
2. USB FLASH DISK
3. Memory: 4GB
4.Battery time:15 hours or so.

Digital voice recorder, cheap telephone recorder,mini digital voice recoerder

Specification:

Power supply:3.7V  110mAh   ( lasting about 15 hours when full charged )
Recording format:WAV
Recording bit rate:128K bps
Recording time 1GB:about 17 hours
 2GB:about 35 hours
 4GB:about 70hours

colorful USB flash drive