Distance from subliminal player source

Questions and Comments
#1

Something been curious about is how far exactly do you have to be from the source e.g. mobile phone

Has it always got to be next to you
Can i be playing on the dresser while you watch sonething or sleep .
Does the ultrasonic fill an entire room e.g.bedroom

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#2

Ultrasonic can fill the entire room if you play it at a reasonable level. If you’re moving around the house, simply play it on your phone and carry it with you. If you’re watching TV or something, toss it on the table and do your thing.

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