You Do Need power plug adapter while traveling from Micronesia to Laos.

Here is Why You Need An Adapter

The outlet and plug type used in Laos are A, B, C, E and F and in Micronesia are A and B. This is how they look like.

Micronesia

In Micronesia, outlets of type A and B are in use.

Type A

Type B

Laos

In Laos, outlets of type A, B, C, E and F are in use.

Type A

Type B

Type C

Type E

Type F