mkdocs-material/material/.icons/material/microphone-plus.svg

<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M9,2A3,3 0 0,1 12,5V11A3,3 0 0,1 9,14A3,3 0 0,1 6,11V5A3,3 0 0,1 9,2M16,11C16,14.5 13.44,17.43 10,17.93V21H8V17.93C4.56,17.43 2,14.5 2,11H4A5,5 0 0,0 9,16A5,5 0 0,0 14,11H16M15,5H18V2H20V5H23V7H20V10H18V7H15V5Z" /></svg>