Tech News Desk- The smartphone has several design elements including speaker grille as well as audio jack and SIM tray, but have you ever noticed that there is a small hole at the bottom of the smartphone. This hole is as small as the one in the SIM tray, but probably none of you know what it is used for. If you think that this small hole has been given in vain, then it is not because it has a very special purpose and today we are going to tell you about it. Talking about this hole in the bottom part of the smartphone. It is actually a noise cancellation microphone that is active during calling and only transmits your voice to the front.
It’s so important that you can’t even think about it. Let us tell you that there are usually many problems while making calls in crowded areas. In such a situation, this noise cancellation microphone comes in handy. Actually this small hall reduces the atmosphere. Actually, due to this hole, the sound of people sitting around you, the sound of vehicles as well as loud music does not reach the front. Only the caller’s voice is heard. In such a situation, the calling experience becomes better and the voice becomes very clear. If you did not know this till now, then now you also know how important this hole is.