When listening to ultrasonic subliminal, how far should my phone be from my ear? When I sleep, I typically keep my phone 1 m away from my head, is that okay When listening to ultrasonic sublimnals for results?
That should be fine. If you develop problems then move the phone further or stop listening at night. What subliminal are you listening to?
Please re-read the PDF that came with your program.
Using a program like Frequen-see should help you determine the volume.
Sexual Mastery X2