You must be using mobile phone or smartphone a lot throughout the day. Today it has also become our need. But, have you ever looked carefully at the design of your mobile phone. If seen, it would have been found that there are two small holes or a small hole next to the charging and earphone port at the bottom. The way the mobile is charged from the charging port and we listen to songs from the earphone port, the volume rocker button makes the sound more or less, in the same way, know what is the function of this hole. Have you ever thought for what purpose these holes are or is it just a design. Maybe not, today through this article, know why these last 2 or one small hole are given in the design of the mobile and what is their function.
That’s why this hole happens
Actually, there is a noise cancellation microphone inside this hole which automatically activates during calling. The job of the noise cancellation microphone present inside this hole or this hole is to improve your calling experience so that the surrounding sound does not come. If it is not in your device or gets damaged, then the person in front will not be able to hear your voice properly.
When you talk to another person through mobile phone, this noise cancellation microphone cancels the surrounding sound and transmits only your exact voice to the receiver, so that it gets a clear cut message. This microphone tracks the sound present very close and transmits it to the person in front.
That’s why there are dots on the upper part of the mobile
News Reels
Similarly, two small black dots are visible on the upper part of the mobile or sometimes inside the screen. These dots were also not given unnecessarily. These dots work like sensors near the mobile phone. As soon as you bring the mobile phone near you, these sensors get activated and do their work. It must have been seen during your calling that when you bring the mobile near the ear, the screen light turns off.
Read also:
ChatGPT became a problem for Google, know what it is and how it works