My ear ringing has almost gone now, it's hard to notice it unless it's really quite. It is annoying though. I think it's the constant repetition of the same sound with the trickling stream track. Shame you're not a fan of the Ocean surf track or ultrasonic.
By the way, when listening at night how loud do you have it ? 25% ??
By the way, when listening at night how loud do you have it ? 25% ??