The icon is a picture of the connector Toslink. The icon is a cylindrical shape with a rectangle extending out of it. There is a flat head needle coming out of the rectangle. The other end has a wire attached to it.
This is the Toslink icon for Windows 10
. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.