1. Recording format: WAV, MP3
2. Recording bit rate: 32/128/512/1024/1536 kbps
3. Music format: WAV, MP3
4. 512kbps recording bit rate time: 64GB about 288 hours
5. Sampling rate: 16KHZ/48KHZ
6. Frequency: 20-20KHZ
7. Storage: support 4GB-128GB (optional)
8. Battery capacity: 260mAh
9. Use time: about 22h
10. Use temperature: -10 degrees Celsius to 40 degrees Celsius
11. Small and flexible, easy to carry
12. Strong operability, one-key recording, one-key saving