From the manufacturer:
How to connect
1. Connect the controller to PS4 for the first time:
(a) Plug the USB cable into the PS4 console and this controller.
(b) Press the HOME button to make the LED light bar flash.
(c) When the light bar is always on, the connection is always on.
2. Connect the controller to PS4 again:
Press and hold the "HOME" button for 2 seconds to open the controller, it is automatically connected to the PS4 console.
3. Connect the controller to the PC:
The controller can be connected to a PC via a USB cable and used as a wired controller. The driver is automatically installed when you connect it to your PC(Windows 7/8/8.1/10) for the first time.
Package inclues: 1 x Controller & 1 x Micro USB charge cable
Battery Built-in: 400mA lithium batteries.
Charge Efficiently: Any standard charger with a micro-USB port.
Compatibility: JAMSWALL Wireless Controller compatible with PlayStation 4 console, and could work on PC through a receiver or Wired connection.