<Tr> <Th> Camera </Th> <Td> PlayStation Camera </Td> </Tr> <Tr> <Th> Connectivity </Th> <Td> 802.11 b / g / n (Slim and Pro: a / b / g / n / ac) Wireless, Bluetooth 2.1 (Slim and Pro: 4.0), USB 3.0 (Slim and Pro: 3.1), Ethernet 10 / 100 / 1000 </Td> </Tr> <Tr> <Th> Online services </Th> <Td> PlayStation Network </Td> </Tr> <Tr> <Th> Backward compatibility </Th> <Td> PlayStation Now cloud - based emulation and PS2 emulation </Td> </Tr>

How do i know what version ps4 i have