To use the Somni mask, plug the headphones into the jack of the device. Put on the mask and position the headphones so that they are comfortable for you. Then hold down the button for 2 seconds and release it. After turning on the device, a calming melody will start playing to help you fall asleep.
You can read the differences in colors and flashes here: https://somni.org/button/
Calm audio file length should not be more than 30 minutes.
To turn on the device, hold the button for 2 seconds and release.
To connect the USB cable, insert the Micro USB cable into the connector, then press the button briefly.
If the battery is low, the device will turn off automatically.
There may be a slight difference in the battery charge display.