Dell S2419HGF User Manual page 13

9 USB downstream
ports
10 USB BC1.2
charging port
11 Headphone port
*Headphone usage is not supported for the audio line out port.
Connect your USB peripherals such as storage devices
and printers.
NOTE: To use this port, you must connect
the USB cable (shipped with your monitor)
to the USB-upstream port on the monitor
and to your computer.
Connect to charge your USB device.
Connect to the headphone.
About your monitor │ 13