Allah The Almighty has not hide the delights and bounties of Jannah. The Quran and the Sunnah is filled up with the descriptions of the bounties and rewards in Jannah.
As a matter of fact, we have so many mentioned that Allah says that He has told us only 1 % of His Bounties.
The articles below give you a small glimpse of the rewards of Jannah.
https://sunnahonline.com/library/paradise-hell-and-the-hereafter/145-some-of-the-bounties-allaah-has-prepared-for-the-believers-in-paradise
Allah knows best. Shukran