Portable audio jammer MJS Ultra Box – protection against eavesdropping and secure conversations

The MJS Ultra Box portable audio jammer counteracts spy apps installed on your phone or smartwatch. The device drowns out sound recording and prevents photos and videos from being taken.

The Portable Audio Jammer MJS Ultra Box counteracts the spying action of apps installed on your phone or smartwatch. The device drowns out sound recording and prevents photos and videos from being taken. By placing a smartphone in the compartment of the device, full confidentiality of the conversation is guaranteed. Up to six phones or smartwatches can be protected at a time. Thanks to its small size and wireless power option, the MJS Ultra Box can be easily transported and used outside the office, e.g. on business trips.

Key features of the MJS Ultra Box portable adio jammer

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  Ultrasonic signal

  The portable audio jammer generates 120 dB of ultrasonic sound, which blocks voice recorders, eavesdroppers and spy ware installed on mobile devices.

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  Work comfort

  The ultrasound produced by the portable audio jammer is inaudible to the human ear, which ensures complete discretion and does not interfere with conversations. The user is not separated from their smartphone at all times and can remove it from the device if necessary to make an urgent call.

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  Wireless or network-powered

  The generator can run for up to 8 hours on battery power or indefinitely on mains power. A battery indicator shows how much power you have left. Charging takes place via a micro USB cable.

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  Compact size

  The MJS Ultra Box boasts a compact footprint and weighs just 1.8kg, making it the perfect mobile noise generator.

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  Easy to use

  The portable audio jammer is extremely easy to operate - simply insert your phone into one of the chambers and start it up.