NOTE: Make sure that the Belkin F8J200 is connected to a power source.
Charging the Apple Watch
Attach the back panel of the watch to the built-in Apple Watch Magnetic Charging Module.

The Apple Watch should be charged now.
Charging the iPhone
Step 1:
Adjust the dial on the charge dock.
Adjust the dial on the charge dock.

Step 2:
Place the iPhone on the connector and lean it on the bar.

Step 3:
Secure a snug fit between the iPhone and the connector by adjusting the dial.

Your iPhone should now be charged.
Related Article:
Getting to know the Belkin PowerHouse™ Charge Dock for Apple Watch® and iPhone®, F8J200