A:AnswerYes for Audio connections to Speakers or Headphones.
Keyboard/Mouse must use USB connection.
I'm using a Bluetooth Headphone with unit.
(My brother uses a Logitech K400+keyboard wireless through the USB)
A:AnswerNo. It does not come with a mount! I purchased a few days ago and went to install with a aftermarket mount and it wouldnt work. The tv is slightly curved on the back. I called Samsung and the mount is $83 and it takes 2 weeks. Im returning this piece to Best Buy.