The mobile phone It is a device that we constantly use. Many are unable to separate them and keep it constantly in hand and under the eyes. Yet there are many elements of the phone that are not even noticed, or whose function is completely ignored. One of these is a small hole in the body, it seems almost hidden. Many ignore it, considering it superfluous, yet it is a fundamental element for the correct functioning of the device.
But where is this hole find? To identify it, just take your cell phone in hand and observe its lower part. The first thing that jumps to the eye is the charging port to which a USB-C connector can be connected, or Micro USB or Lightning. Not only that. Some models still have the opening for the 3.5 mm jack essential for inserting the earphones. In some cases there are also speakers for audio. But it does not end here, because in addition to the elements mentioned we will certainly also find a small hole which, apparently, will seem totally useless. Yet there is. What is the use of? It is a microphone, and serves to capture the voice in the best possible way, guaranteeing its quality.
In addition to this, inside there is a second microphone In charge of reducing the background noise when the calls are underway. This is possible because a secondary sound is added that covers and reduce the noises that can come from the environment surrounding the user of the mobile phone.
Our phone is full of microphones that have the task of making conversations at its best. In addition to the small hole we talked about, there are other microphones on the devices, and some are not even seen, because they have been inserted in the body of the device, so not to be visible and ruin the aesthetic.
In fact, another microphone is located near the rear camera, and serves mainly when you record videos.
The cell phone, the subject of which we are all in possession, hides many secrets. It is up to us to observe it and associate it, thus also discovering elements and Hidden functions whose existence we ignored.