Twitter Circle rolling out to more usersTwitter's Circle is very similar to Instagram's Close Friends in function, and allows you to create a group of up to 150 people that you can share your tweets with. Both followers and non-followers can be part of a Circle.
The easiest way to check if you are part of the test, is to start composing a tweet. If you see a new dropdown menu at the top that reads "Everyone", tap on it and you should see options on who you want to share the tweet with.When you are down composing your tweet, and want to control who gets to see it.
Source
@Twitter_Instagram_Tiktok
