The main technical parameters:
 
1. Audio power: 65 w
 
2. The frequency response: the 250-10 KHZ
 
3. The voice ratio: > 88 db
 
4. The MIC input: 100 mv or less
 
5. General audio distortion: < 1%
 
6. An SD card or usb flash drive
 
7. Bookmark Settings
 
8. A digital recording, sound quality is pure
 
9. Support file copy
 
10. Chinese file name, according to the character of not less than 5000
 
11. A liquid crystal display: 64 x 128