The voice recording jamming device SA-AJ02 is designed to protect conversation areas from eavesdropping. This device blocks wireless microphones, tape recorders, hard-wired microphones and most professional digital voice recorders including recorders installed in mobile phones (smart phones). Ultrasonic inaudible noise signal, as well as acoustic speech-like noise signal, are used in jamming the eavesdropping devices.

• Ultrasonic exposure + voice imitation = 80% shielding
• 2 ultrasonic transducers and powerful speaker
• Absolutely soundless operation possible
• Suppression range up to 0.5-1.5 meters
• Very powerful emission up to 85dB
• Detailed English manual included
• Small size and light weight, easy to carry

• The jammer needs no special maintenance
• Do not use chemical solvents or prevent water from entering into the device when cleaning its surface
• When not in use, the device must be placed in dry and ventilated places, to avoid contact with salty mist and noxious gases
• The warranty period is one year. It is repaired free of charge for three years and maintained for life, with buyer bearing shipping costs

• Portable Audio Jammer Host x 1pcs
• Power Supply x 1pcs
• Case Pack x 1pcs
• 3 ports USB charging cable x 1pcs