Sony a7S III Instruction Manual page 67

Sides

HDMI Type-A terminal

Speaker
 (Microphone) jack

When an external microphone
is connected, the built-in
microphone turns off
automatically. When the
external microphone is a
plugin-power type, the power
of the microphone is supplied
by the camera.
  (Headphones) jack

Charge lamp

Multi/Micro USB Terminal*
This terminal supports Micro
USB-compatible devices.

USB Type-C terminal
GB
GB
67