The appropriate mark introduce a bullet list is

1 answer

Should the first word after a bullet be capitalized?

How do you introduce a bulleted list?
In-sentence lists
Use a colon to introduce the list items only if a complete sentence precedes the list. ...
Use both opening and closing parentheses on the list item numbers or letters: (a) item, (b) item, etc.
Use either regular Arabic numbers or lowercase letters within the parentheses, but use them consistently.
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Online Technical Writing: Lists - PrismNet
https://www.prismnet.com/~hcexres/textbook/lists.html