2. Two working mode: audio recording/MP3 play

3. Support audio format: WAV

4. Support song format: MP3/WAV

5. Support high quality audio recording up to 192 KBPS / 48 KHZ (8G capacity to support 96 hours of working time);

6.Support VOR functioin (Voice Operated Recording)

7.Support super long time recording

8. Support recording while charging

9. Support recording status verify

10. Support recording monitor

11. Support syn date and time