The small round hole located at the bottom of your phone serves an important function as a secondary microphone. This microphone is part of a dual-microphone system designed to minimize background noise. It enhances call clarity by ensuring your voice is transmitted more clearly, even in noisy settings.
This secondary microphone works by picking up and amplifying sound waves, which helps deliver clearer audio to the person on the other end of the call. Without this feature, the quality of your calls would be noticeably poorer.
Modern smartphones typically include two noise-reducing microphones—one positioned at the top and the other at the bottom. The bottom microphone helps in capturing your voice more effectively while reducing surrounding noise, thanks to the “dual microphone noise reduction” technology. This ensures that your conversations remain clear despite any environmental noise.
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