fast shipping and no problems
    Equipment of good quality, very responsible seller and fast delivery. I recommend to all Alibaba community / AliExpress. I will definitely buy more units.
    Best seller,good transaction and fast delivery time
Contact Person : Amy Cheah
Phone Number : +86 134 1856 8064
WhatsApp : +8613418568064

360° Desktop High Power Ultrasonic Audio Recording Jammer for Personal Privacy Protecting

Place of Origin CHINA
Brand Name EST
Certification CE&ROHS
Model Number 75EI-R
Minimum Order Quantity 1PC
Price US$105 per piece (not including freight)
Packaging Details neutral packing
Delivery Time 1-3 working days
Payment Terms 100% before shipment
Supply Ability 500pcs/week

Contact me for free samples and coupons.

WhatsApp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
High Light

mobile phone signal detector


cell phone signal scanner

Leave a Message
Product Description

360° Desktop High Power Ultrasonic Audio Recording Jammer for Personal Privacy Protecting


This recording jammer is a new high-tech product developed by our R & D personnel on the basis of existing products in combination with the characteristics of recording jammer. The product has beautiful appearance, simplicity and generosity.The product is equipped with 75 ultrasonic signal transmitting terminals. By adjusting the layout of three-dimensional signal transmitting terminals, the change from two-dimensional 360 degree to three-dimensional surround three-dimensional jamming is realized.

The three-dimensional spherical recording jammer is another new product of the recording jammer series. This product is a revolutionary reform in the application of recording jammer technology to further meet the needs of users.Suitable for various meeting rooms, meeting rooms and other occasions.

360° Desktop High Power Ultrasonic Audio Recording Jammer for Personal Privacy Protecting 0

Product Features:

1.Larger jamming angle: it can realize three-dimensional jamming and no dead angle recording jamming.

2.Stronger jamming effect: compared with other similar products, its output interference signal power is greater and the number of ultrasonic signal transmitting terminals is more. Therefore, the noise signal picked up by the recording equipment is stronger and the jamming effect is stronger.

3.Longer jamming distance: compared with other products, the jamming distance is longer. Generally, the jamming distance of better recording equipment can reach about 1-3m, while the jamming distance of most recording equipment, such as mobile phones, can even reach more than 2-5m.

4.More kinds of power adjustment: the product is equipped with three power adjustment knobs to support stepless adjustment in each direction and realize centimeter level adjustment of jamming distance.

5.Wider coverage of equipment: the jamming rate of various mainstream recording equipment, such as Huawei, Xiaomi, iPhone, oppo, vivo and recording pen, is more than 98%.


Technical Parameters:

Shielding Objects mobile phone, recording pen and other sound acquisition devices
Function conveniently & effectively & quietly shield audio recording devices
Shielding Distance 2-5m (also depends on mic sensitivity and ultrasonic signal strength)

Ultrasonic Transducer

(Transmitting Terminal)

Shielding Angle 360 degree surround stereo jamming
Switch Method remote control
Power Adjustment Method knob adjustment
Product Size 25*25*35cm
Weight <2kg
Working Temperature -40℃~55℃
Relative Humidity 35~85%
Power Consumption 120W
Power Supply AC charger (Input: AC100V-240V; Output: DC 12V/12.5A)
Packing Instructions PP protective box



Operation room, confidential meeting room, office, bidding room, negotiation room and other places to prevent illegal recording.