The 3.5 mm Audio Adapter connects a wired headset with
a collared 3.5 mm plug. If using the 3.5 mm Audio Adapter with a
mono headset (for example, HS2100), then audio only plays in the
left channel.
To combine the channels when playing audio, go
to
Settings
>
Accessibility
and
select
Mono audio
.
Connect the USB-C plug of the 3.5 mm Audio Adapter
to the USB connector on the bottom of the device.
Connect the 3.5 mm connector plug of the headset into
the 3.5 mm Audio Adapter.