A group of three to ten jinns listened to the recital of the Qur'an and found it to be wonderful and guiding to the right path. They proclaimed that they believed in the Qur'an's message and would never worship anything besides Allah. The jinns were listening to verses recited from the 72nd chapter of the Qur'an, from the 1st verse through the 15th.

2.  “Say [O Muhammad (Peace be upon him) ]: “It has been
revealed to me that a group (from three to ten in number) of
jinns listened (to this Qur’ân). They said: ‘Verily! We have
heard a wonderful Recital (this Qur’ân)! It guides to the Right
Path, and we have believed therein, and we shall never join
(in worship) anything with our Lord (Allâh).’
[Qur’an: 72:1,2]
… Till the end of the 15th verse.