Recently Bing search engine can with an update where Advertisers can extend their ads. Advertisers can extend their ad extensions at campaign level and ad group level
Maximum 20 call outs extensions can add in their campaign and ad group level, to display them you should have minimum 2 call outs
Bing search engine says that callouts shown varies when you use two different line callouts extension formats .
- One with dot separators
- One with dash separators
Reviews for review extensions should come from trust-able, well established. Reviews should appear on reviews landing page not on another page and it's not be charged for clicking on them for advertisers. Reviews must be paraphrased where reviews should be original.
You can extend both of your ads extension in Bing Ads UI