Description:Portable and practical， the Voice Recorder can be taken anywhere to record audio from meetings， conversations， phone calls， surveillance， and other situations where an unobtrusive way of recording audio is needed. It looks and writes just the same as an ordinary ballpoint pen， making it inconspicuous and unobtrusive. Use the pen for repeating directions while on your cell phone. Or for help to memorize client names. When you use this item to record the voice of a shy girl， she will never be aware of the recording and will not feel nervous. This pen will work perfectly. Specification:1.Function: Voice recorder +MP32.Memory: 8 GB3.USB Interface: USB2.0 4.Recording format: MP3 5.Recording time: >6hours， ( with full battery )6.Playback Time: >5hours (128Kb/s， medium volume)7. Standby time: about 64 hours 8. LED indication 9.S/N Ratio: >85dB(MP3，WMA) 10.Power: Rechargeable Lithium Battery11.Operating Temperature: 0-110 degree12.Audio Frequency range: 20Hz-20KHz13.Support System: Windows 8 / 7 / XP and Mac OS