1. Material: zinc alloy + lens
2. Recording format: WAV
3. Battery capacity: 240mAh
4. Battery life: 33h
5. Bit rate: 32kps-1536kps
6. Data interface: Type-C
7. Charging time: about 75 minutes
8. Can be charged via a charging cable connected to a computer or power adapter
9. While recording, you can write normally like an ordinary pen
10. The recorded files will be named according to the year, month, day, hour, minute and second for easy search.