Idea of Online Icon
There is a small circle in the center and on either side of the small circle there are parenthesis or small curved lines. There is one set of small curved lines closest to the circle and another set of longer curved lines next to those.
This page contains the Online vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.