what do you mean by "pairs with 3 devices and does it very well" So I have an iPad, macbook, and iPhone in my room all turned on at the same time. All with blu

what do you mean by "pairs with 3 devices and does it very well" So I have an iPad, macbook, and iPhone in my room all turned on at the same time. All with bluetooth on. All have been paired with the speaker. I now turn on the bluetooth speaker. How does it decide which device to connect to? Amazingly, it is always the wrong one. Every single time.