Connecting to multiple Blutooth speakers from one device.

I'm not sure that is possible without some extra equipment. I know you can have more than one device connected to your phone at once, but I don't know if they can be similar devices like speakers. I leave my fitbit connected to the phone all day for the call notifications, and it automatically connects to the head unit in my Jeep when I crank it up. Didn't realize they would all work until my wife called me and my phone starts ringing, my wrist starts vibrating, and the music cut out and my head unit was displaying her phone number.