KJB Security NG3700 Tabletop Room Anti-Recorder

The KJB Security NG3700 is a tabletop ultrasonic anti-recorder designed for meeting rooms and private conversations. Place it on a table and adjust its output using the power-level controls.

Designed to interfere with microphone recordings, it offers AC-powered operation and a rechargeable battery for portable use. Recording interference can vary with the microphone, placement and room conditions; complete recording prevention is not guaranteed.

Features and specifications

• 360° ultrasonic output
• On/off power toggle and adjustable power level
• AC operation and charging
• Rechargeable battery with up to 4 hours of portable operation, according to the manufacturer
• Battery capacity: 9800mAh / 12.6V
• Dimensions: 10 × 4.5 × 4 inches

Included

• Ultrasonic interference device
• Operation manual