make sue to plug the Smart HDTV adapter into your phone then plug your charger into the Smart HDTV adapter.
Connect to TV: Connect Samsung Galaxy to ANY TV
Re: Bluetooth, paired, but not connected.
If you want to pair two bluetooth headphones to one Galaxy s4 you can use a USB adapter that has a muti stream split.
How To Connect Two Bluetooth Headphones Simultaneously | How To Fix Earbuds
Make sure to plug the Smart HDTV adapter into the bottom of your phone, then plug your charger into the Smart HDTV adapter.
Connect to TV: Connect Samsung Galaxy to ANY TV