Bluetooth

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 100 100"
>
    <linearGradient
        id="a"
        x1="20.708"
        x2="79.56"
        y1="20.574"
        y2="79.426"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#0a75a1" />
        <stop offset=".362" stop-color="#074b98" />
        <stop offset=".722" stop-color="#04218f" />
        <stop offset="1" stop-color="#020088" />
    </linearGradient>
    <path
        fill="url(#a)"
        d="m52.5 50 35.811-20.675L46.5 5.186v41.35L13.689 27.593l-2 3.464L44.5 50 11.689 68.943l2 3.464L46.5 53.464v41.35l41.811-24.139zm-2-37.886 29.811 17.211L50.5 46.536zm0 75.772V53.464l29.811 17.211zM17.69 62.015 38.5 50 17.69 37.985z"
    />
</svg>