CUL-01P Portable Ultrasonic Speaker has 8 ultrasonic emitters to avoid unauthorized cell phones

to record crucial and confidential information during meetings. It has unattractive appearance

and is suitable to be placed in a room or can be portable to work because of its built-in battery

inside. The best interfering microphone performance when CUL-01P emitters exactly face a

phone’s speaker because the emitters affects the microphone directionally.

Specification

 Ultrasonic emitters:8 pcs

 Dimension: 78mm×25mm×121mm

 Weight: main device 220g/ whole equipment in the case: 650g

 Operation time with built-in battery: around 4hrs

 Remote control to turn on /off the device

 CUL-01P can interfere iphone’s speaker <=1 meters

when the emitters exactly face the phone’s speaker.