Neuvana xen

It's like an upgraded tens machine that you wear the headphones and it send stimulation into the left ear to stimulate the vagus nerve in a good way. There is an app that you use to control the type of stimulation in the left ear. My research says it's pretty comfy and not overwelming stim. I just ordered it after thinking about it for a long time and also, I tried the tens machine with ear clip for vagus nerve without improvement. I'll let you know if I get positive results from this, and here is website it's interesting
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