Vuzix Wrap 1200AR User Guide - Manual (Page 13)

§ Plug an earphone into the round audio ports on either side of the display
module.
Your Wrap eyewear can be used with or without the earphones. To use the eyewear
without the earphones:
§
Unplug the earphones from your Wrap AR eyewear and control volume using
the volume control provided by your media source.