The USB port, power switch and LED indicators are part of the control board which sits in the middle of the EPOC+ headband. The power LED is located on the top surface and the charging LED is on the USB face.
The following table outlines their behavior:
Action
Power LED
Charging LED
Power OFF / Battery Flat
Off
Off
Power On
White
Off
USB Connected / Charging
Off
Orange
Charging Complete
Off
Green
Firmware Failure
Fade On - Fade Off
Off
