Bluetooth speakers have been a major fixture in my ... all the way into my kitchen. Pairing is simple: All you have to do is hold the pairing button and it shows up in your phone or tablet ...
If you need a speaker for pool parties (emphasis on the party), get yourself a Wonderboom 4 or two. We say two because they're only $100 each, and they allow you to sync two at a time to one device.