... 3.mp3 player& U disk Wholesale and retail pen hidden voice recorder Pen Digital Voice Recorder1,Build in 2G-8G memory2,Battery can work ... earphone,press “recording key”will enter into recording condition(Before long bright red tape indicator for a few seconds, then start ... entre into soft off,waiting for pressing “recording key” next time.2-2 After startup,in inserts earphone,press “recording key ...