This is a megaphone. There is a handle on the megaphone on the left hand side and a large cone or funnel shape on the right hand side. There is a small half circle protruding from the flat part of the cone of the megaphone.
Related to Advertising Icon
Related icons are the icons with matching tags, as well as all business icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors