Using this multiport adapter is easy. First, make sure your device supports USB - C. Connect the adapter to your device's USB - C port. If you want to connect a USB device, plug it into the USB 3.0 port. For network access, connect an ethernet cable to the Gigabit Ethernet port. To use an HDMI monitor, simply connect it to the HDMI port. Remember to connect a power source to the USB - C female port if the hub needs power. When not in use, store the adapter in a dry and clean place. Avoid exposing it to extreme temperatures or moisture. Regularly check the ports for any dust or debris and gently clean them with a soft brush.