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  • Cellphone Audio Jammer Box To Block Recording

    • Place of origin:  

      China

    encrypted algorithm, it generates ultrasonic mixing data model and exports ultrasonic signals, forming a harmonic effect to deceive the recording device. The microphone/pick up can only receive the harmonic ultrasonic signal generated by jammer, can not pick up the normal voice signal. Safe, Silently and UndisturbedThanks to ultrasonic microphone jamming technologies, there is no audible noise or

    [Related Keywords : Cellphone Audio Jammer]

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