Availability of toolbar settings functionality is determined by your toolbar version. Go here to determine your toolbar version.
Toolbar V1: Currently, Toolbar Settings allow end user to set persistence preferences. When enabled, as a user encounters one domain with AudioEye and engages certain settings or enabling certain features, those settings and features will persist when accessing another, separate domain enabled with AudioEye. Toolbar setting menu option may change over time.
Toolbar V2: This functionality is not yet available.