🎤 Microphone UTF-8 character with hex code 1F3A4

Using HEX code of Microphone in HTML file

<span> &#x1F3A4; </span>

Using Decimal code of Microphone in HTML file

<span> &#127908; </span>

Using HEX code of Microphone in CSS file for content

span { 
    content: '\1f3a4';
}