Epson Moverio BT-45CS AR Smart Glasses with Intelligent Controller - Manual (Page 20)

Wearing the Headset
20
H Connect to the dedicated controller (BO-IC400N) or
smart device. When using an earphone microphone, con-
nect it to the earphone jack on the interface box.
When using an earphone microphone, change the audio output
setting in the dedicated app (MOVERIO Link/MOVERIO Link Pro)
before use.
G Attach the interface box to the interface box holder and
secure the cable with the cable clip.
Make sure the top and bottom of the interface box are correct
before attaching it.