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DVR-188 high quality voice recorder device

DVR-188 high quality voice recorder device
Professional Voice Recorder
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Lead time:
1 – 100(Pcs)--------1-3 days
101 – 1000(Pcs)---------5 days
>1000(Pcs)--------To be negotiated
Customized Logo or Packaging:
Min. Order: 500

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Professional Voice Recorder

Mobile Bluetooth recording . Mobile phone answering and redialing.


Turn on / off

Turn on:

Push the power switch(OFF/ON)to “ON” side. The screen will lighten up, the recorder is turned on. In the power-off condition, Long time press  button, the screen is lighted up and "ON" shows on it, the recorder turns on.


Turn off:

Push the power switch(OFF/ON)to “OFF” side. The screen shows “OFF” and the recorder turns off. In any standby condition, long time press  button, the screen shows “OFF” and the recorder turns off. The recorder will automatically turn off if there is no further operation in two minutes.


  Power-off condition: Turn off the recorder without turning the power switch off.

Details Display

Quality improvement based on feedback from thousands of customers.


Mobile Phone Bluetooth Connection

Turn the switch to , it displays connecting condition .

Turn on the Bluetooth function of your mobile phone, and then search HNSAT. Connect your mobile phone with HNSAT. Please enter 0000 if there is any password needed on your mobile phone. Otherwise you can connect it directly. Then it will display .

Mobile Phone Answering And Redialing

Long time presses  call back, short time press  answer. You can listen to opposite side’s voice with earphone. Opposite side could listen to your voice if you speaking to the recorder. Pressing the “+”or “-” to select the volume according to your need.

Mobile Phone Record

Press  button start recording during the dialogue. Press button pause recording, repress to continue recording. Pressing button to stop and it is saved. The recording files will save in folder D automatically. Attention: Press button means normal recording if no message.

Fast Forward/Backward

Press  button for last file when recording is playing. Press  button for next one. Long time press  or  for   fast backward or forward while playing.

Other Operations

Long press power button about 2 seconds, the device will turn on and boot into standby state after vibrate a time (the indicator light becomes red and always bright).

Long press power button again to turn off the device, it will vibrate twice and the red light is extinguished.





The recorder can not turn on

The battery doesn't have enough power.

Please charging immediately.

Unable to record

The battery doesn't have enough power.
The number of files is full

Please charging immediately. Delete some files

The recording file  is frozen

The recording time is less than one second.
The recording file is broken

Make sure effective recording time. Delete the broken recording file

No sound when playing files

The battery doesn't have enough power.
Check whether the earphone is attached.
Whether the volume is adjust to the lowest.

Please charging immediately. Remove the earphone. Adjust the volume

No sound for the earphone

Check whether the earphone is correctly connected.
Whether the volume is adjust to the lowest.

Make sure the earphone is correctly connected. Adjust the volume

Size: 93mm*31mm*14mm

Weight:81g /38g (optional)

Power: Polymer battery3.7V 380mAh   Recording time of SP type:28 hours

Flash memory:  2GB to 8GB

TF card capacity:128MB~8GB

Recording bit rate:LP 32Kbps/SP 128Kbps/HQ 768Kbps/SHQ 1536Kbps

2GB   LP 142 hours/SP 35 hours/HQ 6 hours/SHQ 3 hours

4GB   LP 285 hours/SP 71 hours/HQ 12 hours/SHQ 6 hours

8GB   LP 570 hours/SP 140 hours/HQ 24 hours/SHQ 12 hours

Supporting system:Windows/2000/XP/Vista/7/8

Music format: MP3  PCM

Record format : MP3

Contact Us

Professional is the main feature of our company. We are one of the earliest manufacturers who developing and manufacturing digital voice recorders in China.

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