You can connect a PS4 controller using the micro-USB cable that comes with the device. But connecting a second one requires a different method.
There are several ways to turn off a PS4 controller, including holding the PS button for a few moments, using the Quick Menu, ...
Check the cable connection, clean the charging port, or reset your PS4 controller The DualShock 4 controller is designed to be used both wirelessly and wired with your PlayStation 4, and it's supposed ...