Make your iPhone unforget something?

I was trying to use the Bluetooth on my iPhone so I could use my Bose speaker it wouldnt hook up because my parents had connected it to one of their phones well I clicked on the bluetooth name and I hit the wrong button and ended up making my phone forget it well at first I wasn't real worried I thought 'hey maybe when I figure out how to unsync it from my parents phone it will pop back up' well shortly afterwards I figured out how but it wouldn't pop back up I was just wondering if there was I way to make my phone bring the link back up… Or is it gone forever and I'll never be able to sync my phone to my speaker (which is the only way the speaker will work) ever again! That would b bad