KJB Security Power Bank Charger

The device emits an ultrasonic signal that is generally inaudible to the human ear but creates a high-frequency noise floor that overwhelms the microphones in nearby recording devices. This effectively masks your conversation, rendering the audio on hidden cameras, microphones, or smartphones unintelligible.

Yes, because the ultrasonic field is designed to disrupt all microphones within its 10-foot radius, it will also affect your own devices if they are placed too close. It is best used for protecting private conversations where you do not need to record audio yourself.

Yes, the device functions as a standard 8000mAh power bank simultaneously. You can charge your mobile devices while the ultrasonic protection is engaged, though keep in mind that using both features will drain the battery faster.

The unit is designed to be discreet, so it does not emit a visible or audible alert when the interference is active. You control the activation via the included remote, which allows you to toggle the protection on or off from up to 164 feet away.

The 300-degree coverage is designed to protect a specific area around the device, effectively creating a 10-foot radius of privacy. It is ideal for placing on a conference table between participants, but it will not secure an entire room if people are standing outside that immediate 10-foot zone.

No, there is no software or app required. It is a plug-and-play device that you simply charge and operate using the provided remote control.