Fangrui Product Details 1. Sk-012 4gb Usb Dictaphone Digital Audio Voice Recorder With Wav Mp3 Player Var Function(black) 2. Features 3. Built-in 250mah Battery, Use Time 25h. 4. One-key Recording, With Lcd Recording Indicator, Easy To Operate. 5. 6 Recording Modes, 3d Sound Effects, Support Voice Activation Function (var). 6. Support Loopa-b Repeatpausedelete. Equipped With A Telephone Adapter To Support Telephone Conversation Recording. 7. Small Pocket Size, Good As Mp3 Music Player. 8. Built-in Microphone And Speaker, With External Microphone And Earphone. 9. Specification 10. Recording Format: Wav Format 11. Recording Power: 0.8ma-12ma 12. Recording Sampling Rate: 8khz16khz48khz 13. Recording Bit Rate: Wav (32128192384kbps) 14. Music Playback Format: Mp3, Wav 15. Headphone Jack: 3.5pie Stereo Jack 16. Headphone Output: (l) 9mw(r) 9mw (32ohm) Max 17. Usb Interface: Micro-mike 5pdc5v-300mah 18. Storage: Embedded Flash 19. Built-in Speaker Output: 800mw 20. Built-in Speaker: 8r0.5w Diameter 26 21. Built-in Mic: Omni-directional Capacitor Mic 22. Display: 1.0 Inches 23. Distortion: 90db 24. Signal To Noise Ratio: 0. 25. Operating Temperature: -10 To 40 Degrees Celsius 26. Body Weight: 32.5g (bare Metal) 27. Body Size: 85mm36mm14mm 28. Power Supply Mode: Lithium Battery3.2-4.2v 29. Battery Type: Licoo2 30. Battery Capacity: 250mah 31. Battery Weight (g): 4g 32. Watt Hours Per Battery: 0.81wh 33. Lithium Content: 0.066g 34. Battery Size: 3.5mm X 14mm X 55mm 35. Battery Life: About 30 Hours Of Recording, About 6 Hours Of Playback (plug In Headphones) 36. Support System: Windows Xp&vista2kme98 (driver Installation Required) Mac Os 10 37. Package List 38. Recorder X 1 39. Headphone X 1 40. Microphone X 1 41. Usb Cable X 1 42. Telephone Adapter X 1 43. Telephone Line Cable X 1 44. Audio Cable X 1 45. User Manual (english) X 1