While you could plug the USB directly into the TV, it's a far safer bet to plug it into a dedicated Blu-ray player, one built for 4K content and playback, so you get the better processing ...

Archive quality M-DISC compatibility Mac and PC compatible: OS X 10.6 and later; Windows XP and later Includes: 16X External Blu-ray Burner; 0.6 meter (24") USB 3.0 Cable; External power cable ...

So if you want control over what you spend your time watching, and you want to pay less for it in the long run, it's time to pick up a Blu-ray player before running to the nearest library ...