The Security Lab Portable Voice Recorder Blocker Power Bank offers a revolutionary solution for safeguarding your privacy in sensitive conversations. This innovative device ingeniously combines the essential utility of a portable power bank for charging your mobile devices with advanced counter-surveillance technology designed to block unauthorized audio recording. It's an indispensable tool for protecting confidential discussions in business meetings, legal consultations, private conversations, or any situation where eavesdropping or covert recording is a concern.

This portable device operates by emitting ultrasonic signals that are inaudible to the human ear but effectively interfere with and disrupt the functionality of most microphones. When activated, it creates an "acoustic shield" around the user, making it impossible for various recording devices to capture clear, intelligible audio. This includes, but is not limited to, professional digital voice recorders, smartphone microphones (both internal and external), and listening devices embedded within cameras or other spy gadgets.

The ultrasonic signals are typically generated in a random, dynamic manner, blending with the sound of normal dialogue. When a recording device attempts to capture audio within the shielded zone, these random ultrasonic signals are also picked up by its microphone. This overloading of the microphone's diaphragm or disruption of its digital signal processing results in recorded audio that is garbled, distorted, or filled with unidentifiable noise, effectively rendering the recording useless. The interference often operates silently, ensuring your conversations are not disrupted by audible white noise.

Designed for ultimate discretion, the device is cleverly disguised as a functional power bank. This dual-purpose design allows it to blend seamlessly into any environment – be it a café, a meeting room, or a private office – without raising suspicion. You can genuinely use it to charge your smartphone, tablet, or other USB-powered devices, making its presence completely natural. This functionality provides an excellent cover story for its primary role as a privacy protector.

Applications:

• Conference Rooms
• Business Meetings
  
• Confidential Meetings
• Private Meetings
• Interviews
• Police Interrogation Rooms
  
  

Features:

• Used by High-Profile Security Companies and Government Agencies
  
• Blocks All Kinds of Microphones, Digital Voice Recorders and Smartphone Microphones
• Blocks Spy Voice Recorders, Listening Devices, Spy Mobile Phones' Microphones
• Functions as a Hidden Mobile Phone Power Bank Charger
• Build-in LED Display for Battery Percentage Indication
  
• The portable Hand-Held Design allows you to Transport and Carry the Device on the Go
• One Button Operation with Remote Control Support
• Three Output Audio Suppression Directions
  
• Wide 320° Shielding Angle
• Large 6000mAH Rechargeable Battery Capacity
  
  

Specification:

• Audio Suppression Angle: 320°
• Audio Suppression Distance: Up to 3m
  
• Ultrasonic Emitters: 9 Emitters (3 on Each Side)
• Working Hours (Two Working Modes): 5 Hours (All Sides Activated), 10 Hours (Half Sides Activated)
  
• Battery: 6000mAh /3.7V
• Output Power Supply: 5V/1A
• Input Power Supply: 5V/1A
• Interface: USB, Micro-USB, USB Type-C
  
• Remote Control Distance: 1-20m
  
• Dimensions: 140mmx65mmx22mm
  
• Weight: 260g
  
  

Packaging:

• 1 x Ultra-Sonic Suppressor
  
• 1 x Remote Controller
  
• 1 x USB Power Supply
  
• 1 x User Manual / User Guide