Using independent research and development of ultrasonic mixer, effectively shield all types of mobile phones, recording pens and other portable recording equipment. Multi-angle acoustic shield design, three-speed ultrasonic mixing power can be adjusted to effectively cover the communication range. Ultrasonic noise technology is used to block the recording equipment effectively. No human ear detection, no electromagnetic radiation, safe and healthy. The products comply with the relevant national safety industry standards and pass the authoritative test of the National Quality supervision and inspection center. Built-in large capacity battery, long life use, flexible mobile placed in the communication and negotiation scene. Can be used as a Bluetooth speaker, play music at the same time shield recording, privacy is strong. It can be opened through the remote control attached to the product, and it can also be opened privately through the wechat mini program, which is the ultimate user experience.

recording shielding function: Using independent research and development of ultrasonic mixer, effectively shield all types of mobile phones, recording pens and other portable recording equipment. 360° omnidirectional acoustic shield design, three-speed ultrasonic mixing power can be adjusted to effectively cover the communication range;

good camouflage: used as a Bluetooth speaker, it shields recording while playing music, and has strong privacy;

no safety: the use of ultrasonic noise interference technology, no human ear detection, no electromagnetic radiation, safe and healthy effectively block the recording function, no interference or damage to the hardware functions of the mobile phone, the equipment meets the relevant product testing standards, harmless to human body;

Flexible mobile: built-in 6600mAh large-capacity battery, long life, can be flexibly placed in any position in the communication and treatment scene;

Secret opening: You can open it through the remote control attached to the product, or you can open the recording shield privately through the wechat mini program to achieve the ultimate user experience;

Power adjustable: according to the distance of the recording equipment, the interference frequency can be independently adjusted to achieve the best effect;

Active defense: to deal with all kinds of important communication occasions of audio eavesdropping;

Portable and reliable: the equipment is convenient to open, the state is clear, lean quality is trustworthy;