Luckily thanks to a misspent youth boxing and playing rubgy I snuffle like a pig when I run and the noise emanating from me sends people jumping into hedgerows in fear. I therefore doubt I would require any device.
Also as I am always telling Mrs Oirish any gadget that replaces a human is only a bad thing no matter how more effective it is but enough of our problems.
I am willing to volunteer to be recorded for your product for a small fee, 100% effectiveness guaranteed
I too will do your survey though.