Many people still don’t know the purpose of this little hole | April 19, 2025

A discreet but essential microphone

Have you noticed the small hole at the bottom of your smartphone? This often-overlooked detail plays a major role in your calls. It’s a secondary microphone, specifically designed to filter out ambient noise to improve sound quality. Thanks to this microphone, your calls are clearer and your voice is optimally captured, even in noisy environments. Without it, the clarity of your conversations would be reduced, and the person you’re talking to would have more difficulty understanding what you’re saying.

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