Audio Recorder Portabil Specification: 1. Recording Format: WAV/MP3 2. Music Playback Format: WMA/WAV/MP3/OGG etc. audio format 3. Battery Recording Time: About 25 hours 4. Battery Playing Time: About 15 hours 5. Battery: 230mAh lithium battery Battery charging time: About 3 hours 6. LCD Resolution: Dot Screen 80 160 7. USB Interface: USB 2.0 High Speed 8. Built-in Speaker: 18MM*26MM 8 Omega/1W 9. Working Temperature: 0 to 40 degree 10. Recording Sample Rate: 48KHZ 11. Headphone Jack: 3.5mm, dual track 12. Noise-signal ratio: 80db 13. Net Weight: 36g 14. Built-in Memory: 8GB/16GB/32GB (without TF card) 15. Compatible System: Windows 2000&above