What Is -- PlayStation 4
The PS4 was released with a fat version 2 tone look, then the Slim version seen above
and the PS4 Pro with 4K with 3 levels.
Play PS4 games and disc movies. Uses HDMI cable. Has USB plugs & Blue Tooth.
Download games from the PSN Store.
Has the Wireless Controller with new flat thumb stick design.
See this post for how to assign custom buttons. [link]
Original PS4
PS4 Pro