How Is It Possible to Hear Sound From a Black Hole?

Dongar Singh Johan says it's possible to hear sound from a black hole. The only radiation that Mobile Phones release is Radio Waves. There Are No Radio Active Elements In mobile phones, And If There Are Non-Radio Active Elements, There Should Be No Ionizing Radiation. Whether It's Extreme Ultra Valent or X-rays Or Gamma Rays. So What We Do Is We Trust What The Authorities Say And What The Mobile Does Manifactiros say. But What Sort Of Radiation Is It Religion?