This device itself is one high quality voice recorder, and it builts in 1GB/2GB /4GB memory in USB shape, and it is easy for operation and carrying.

Specification:
Recording time: 8 hours one time charging
System: Win98 or above
Battery: Built in 3.7V li- battery
Recharing time: 1-2 hours
Record time : 1GB Record time 68 hours , 2GB for 136 hours

Suitable for:
1) business man to record important talk, conference or negotiations.
2) company employees to record meeting memo for later analysis.
3) student to record important sections of lessons from school.
4) trainees to record important content from trainers lessons in training program.
5) audience to record wonderful part in party, lectures or concert, etc.
6) police to record secretly evidence and clean criminals.
7) law-officer or lawyer to record affidavit secretly from accuser or defendant in court.
8) private detectors to record evidence.
9) Spy actions.
10) daily use to record conversations or funny sounds.