The PlayStation 4 (PS4) is a home video game console developed by Sony Interactive Entertainment. Announced as the successor to the PlayStation 3 in February 2013, it was launched on November 15, 2013, in North America, November 29, 2013, in Europe, South America, and Australia, and on February 22, 2014, in Japan. A console of the eighth generation, it competes with Microsoft's Xbox One and Nintendo's Wii U and Switch.
https://en.wikipedia.org/wiki/PlayStation_4