Is Facebook listening to you through your phone?

Most of you noticed that sometimes Facebook suggest us pages and ads based on our searches but those searches are not only in Facebook sometimes we did those related searches on the search engine, YouTube or Instagram. So is the popular conspiracy theory is true that Facebook listens to us through our phone? or Is Facebook collecting our online browsing data and give us suggestions according to it? Guys, what do you think about it? Let's share your opinions in the comments!

https://i.imgur.com/dEmLOyr.jpg