F12 Ultrasonic Audio Recording Blocker

At first glance, the F12 Ultrasonic Audio Recording Blocker looks just like a stylish desktop speaker. But hidden inside is advanced ultrasonic technology designed to disrupt microphones and prevent unauthorized recordings during sensitive conversations.
https://www.jammermfg.com/audio-recording-jammers.html
The device emits ultrasonic interference that smartphones, voice recorders, and hidden microphones struggle to capture, helping keep meetings, negotiations, and private discussions secure. Its discreet speaker-style design blends naturally into offices, conference rooms, or executive spaces without drawing attention.
Compact, intelligent, and easy to control remotely, the F12 creates a protective privacy zone around your conversations—so what’s said in the room stays in the room.
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https://www.jammermfg.com/F12-ultrasonic-audio-recording-blocker-concealed-in-a-realistic-speaker-design.html