Micro spy
the micro spy is a covert device. It is of varying size and shape.
functioning
In reality, a micro spy two components. Without them, listening is not possible. This is the transmitter and the receiver. The transmitter is the device that is installed in the place to "spy. In common parlance, he is what is called a "snitch." The transmitter picks up the sound and records it. Thanks to a SIM card, it is able to send the sound it has picked up to a receiver. The latter, after receiving the sound, will allow to store it and listen to it in real time. This can be done by using a computer, headphones or a regular headset connected to the jack port on the device.
In another configuration, it does not need a receiver. Only one device picks up and records sound. It is necessary to recover the micro spy and plug it into a computer. Only in this way can you listen to the recording.
a micro spy gives more or less good results depending on its quality. Examples include the quality of the sound, its autonomy and its listening range.
Derivatives
Because of its objective, a micro spy comes in a variety of forms. In its classic form, it is a small black, square or rectangular case that the user hides where he wants. More eccentric forms also exist, and these do not require any concealment. It's more like camouflage: pen, wristwatch or clock.
use
Spy microphones are used to illegally listen to a conversation. The reasons are various: security, investigation, jealousy or industrial espionage.
