Answer:
What has 4 eyes but can’t see?
Salty water everywhere but not sea in sight.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
We travel much, yet prisoners are, and close confined to boot. Yet with any horse, we will keep the pace, and will always go on foot.
How can you burn an apple, blueberry, rose and pumpkin without leaving any ashes but retaining the smell of it?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?