1. It is both a pendant and a voice recorder 2. One-key recording, easy to operate 3. Professional audio noise noise low-power amplifier, restore real and clear sound 4. Voice-activated intelligent recording, effectively saving memory space and battery capacity 5. Connect the computer to synchronize Beijing time, which is convenient for recording the file generation time and end time 6. After the recording file is encrypted, it can effectively prevent data leakage and use it more safely 7. Automatically save when power off to ensure that the recorded data is not lost 8. Large capacity U disk storage function, which can store files and connect to a computer for viewing 9. Connect the OTG adapter to play and manage the recording files on the phone (only supports Android phones) 10. Material: Zinc alloy 11. Recording time: 35 hours 12. Playback time: 14 hours 13. Charging time: 1.5 hours 14. Standby time: 30 days 15. Battery capacity: 120mAh 16. Recording format: WAV / MP3 17. Playback format: MP3 / WMA / WAV 18. Dimensions: 42x37x9.6mm