Icon of Circle Waveform Lines

<?xml version="1.0" encoding="utf-8"?><!-- Uploaded to: SVG Repo, www.svgrepo.com, Generator: SVG Repo Mixer Tools -->
<svg width="800px" height="800px" viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M7.5 11V13M13.5 8V16M10.5 10V14M16.5 10.5V13.5M21 12C21 16.9706 16.9706 21 12 21C7.02944 21 3 16.9706 3 12C3 7.02944 7.02944 3 12 3C16.9706 3 21 7.02944 21 12Z" stroke="#000000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"/>
</svg>