This looks like any other normal hand-held phone. Most of us would have no hesitation using a phone like this. This phone could be that of a family, friend, acquaintance, or even a public telephone. We press and hold the receiver portion of the phone using our hands, ears, cheeks, lips, chin, etc.

Are there any risks involved by using something as seemingly harmless as a public telephone? And are these risks minor or very serious?

Let's have a more detailed look at this telephone: one, which cannot be normally achieved by the human eye.