You Do Need power plug adapter while traveling from Brunei to Jordan.

Here is Why You Need An Adapter

The outlet and plug type used in Jordan are C, D, F, G and J and in Brunei is G. This is how they look like.

Brunei

In Brunei, outlets of type G are in use.

Type G

Jordan

In Jordan, outlets of type C, D, F, G and J are in use.

Type C

Type D

Type F

Type G

Type J