Kjb NG3600 Anti-Recorder

The device emits an ultrasonic interference field that is inaudible to the human ear but effectively masks voice frequencies. When a recording device attempts to capture audio within its range, the ultrasonic signal creates a noise floor that renders the recording unintelligible.

Yes, the ultrasonic field is non-discriminatory. It will disrupt any microphone within its 18-foot range, including your own smartphone or digital recorder, so you should ensure your own devices are outside the interference zone during use.

Yes, the device operates at a frequency beyond the range of human hearing. While most adults will not notice any sound, some individuals with highly sensitive hearing or younger people may occasionally perceive a faint high-pitched tone.

While the NG3600 is designed for portability with its rechargeable battery, it can be used while plugged in for extended meetings. This allows you to maintain continuous protection without worrying about the 4-hour battery limit.

Because the device projects a 360-degree field, it is most effective when placed in the center of a table or desk. Ensure there are no large physical obstructions, like thick laptop screens or monitors, directly blocking the unit, as these can create 'shadows' where the interference signal is weakened.

The NG3600 is designed specifically to disrupt audio recording. While it can help protect the privacy of your conversation, it does not prevent a camera from capturing visual footage of the room.