cell phone jammer

As the recording capabilities of smart phones and voice recorders have greatly improved, they are highly concealable. Many times we are recorded by people with ulterior motives without our knowledge. Some people even go to bathhouses or other places to discuss business. In the swimming pool...

In modern society, with the development of technology and the spread of information, our personal privacy security is facing more challenges. Especially for some people who need to protect the security of work information, such as government officials, business people, military and police, etc...