1. DC input voltage: 5V
2. Charging method: Rated 5V1A adapter connected to data cable for charging
3. Charging time: 1.5h
4. Working current: 6mA-7mA
5. Battery life: 50h recording, 30h playback
6. Recording format: mp3/WAV
7. Bit rate: 32kbps-1536kbps
8. Voice-activated recording: 20-75db
9. Battery capacity: 350mAh
10. Data interface: Type-C
11. Material: zinc alloy + lens
12. Recording format: WAV