On Wed, 24 May 2017 17:48:55 +0100, Andy Burns
wrote:

The Natural Philosopher wrote:

If smart phones came with X ray emitters they would be banned

But it's a hardware device you use with a phone

https://fccid.io/2AHIS

That FCC link says it operates between 3.3GHz and 10GHz, which is a
pretty wide range. But still below far infrared, let alone x-rays.