——  Security ● Defence ● Solution —— 
Defense and Security is that defence is the action of defending, of protecting from attack, danger or injury while security is (uncountable) the condition of not being threatened, especially physically, psychologically, emotionally, or financially.
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    Publish time 2020-08-20 10:07    

Protable Handheld Recording Shield

Voice Recording jammer

It is our Self-developed, highly integrated high-tech personal security products. When a lawbreaker uses a recording device (such as a cell phone, voice recorder, recorder, etc.) to record your voice, The recording jammer produces random noise signal that can suppress the speech signal. The recording device picks up only the noise information, and cannot distinguish the voice information, thus ensuring the security of the voice information.

The device  has a built-in large capacity battery for more than 8 hours of continuous operation.

Application: high-end needs of individuals such as leaders, bosses, and stars.


performance parameter

Shielding type

Mobile phones, recording pens and other sound acquisition devices

Shielding radius

1.2-1.8m above

Function angle







ambient temperature


relative humidity


Battery capacity


Charging input

AC 100V~240V 

Charging output

DC 12v 1A

Packing instructions

Protective box