1. Material: zinc alloy + lens
2. Recording format: WAV
3. Battery capacity: 350mAh
4. Working time: about 25 hours
5. Charging time: about 60 minutes
6. Bit rate: 32kps-1536kps
7. Data interface: Type-C
8. Working temperature: 0-45 degrees Celsius
9. When the battery is too low, the recording will be automatically saved and then shut down.
10. The recorded files will be named according to the year, month, day, hour, minute and second for easy search.