C18 Smart HD Voice Recorder with OTG Cable, Capacity:16GB

1. DC input voltage: 5V2. Charging method: Rated 5V1A adapter connected to data cable for charging3. Charging time: 1.5h4. Working current: 6mA-7mA5. Battery life: 50h recording, 30h playback6. Recording format: mp3/WAV7. Bit rate: 32kbps-1536kbps8. Voice-activated recording: 20-75db9. Battery capacity: 350mAh10. Data interface: Type-C11. Material: zinc alloy + lens12. Recording format: WAV