Features:
1.Built-in high-capacity polymer safe lithium battery and ai intelligent power management system, reduce recording power consumption, about 500 hours of ultra-long recording time to meet your needs.

2.Magnetic adsorption, mute recording, recording process, no sound and no light, magnetic suction function, as you wish, as you wish.

3.Support Android phone otg connection, you can play the recording on your cell phone, view and upload management files at any time (Android phone only)

4.Auto save/data protection, detect low battery and save automatically. Time stamp, recording files are named according to date and time, easy to search.

5.Adopt professional master control program, Voiceless clear sound technology, through multiple layers of strict testing, can effectively remove the noise interference of the audio source in the recording process, ensure the sound sampling rate, highly restore the audio source.

6. Voice activation function, intelligent voice-activated recording, recording with sound, no sound stops, file encryption protection, you can add a password for the file, document management, to protect the important recordings are not lost.

7.Ideal for classes, lectures, meetings, interviews and more. This is a great gift for teachers, students, lawyers, writers and more.

Specification:
Name: Voice Recorder
Model: DVR-20
Battery capacity: 2500mAh
Charging time: 4 hours
Recording time: about 500 hours
Playback time: about 370 hours
Standby time: 30 days
Charging interface: Micro usb
Headphone jack: 3.5MM
Recording format: MP3/MAV/WAV
Playback format: WAV/WMA/MP3
Sampling frequency: 48KHZ
Recording bit rate: 192KBPS
Response frequency: 20-20KH
Size: 79*42*13mm
Case material: zinc alloy
Color: black
16GB storage recording file: about 190 hours (not included)
32GB storage recording file: about 385 hours (not included)
64GB storage recording file: about 500 hours (not included)
Memory Expansion: Maximum support for 128GB micro sd card (not included)

Features: high-capacity battery, long recording time, voice activation, noise cancellation, file management, time stamp, MP3 player, password protection, strong magnetic suction.

Package:
Voice recorde*1
Data cable*1
User Manual*1