It does look like you are having issues with EMO and there is certainly something not right with your EMO when it comes to charging / and it powering itself off. Headphones should always show a light, and if they are not showing / or if the light is dim or turning off when they are attached to EMO heads there seems to be an issue there as well.
Hopefully Living.Ai support team can further assist here.
I’ll add @Wayne_Zhang to this so he can provide further help on what to do next.