Scams are rampant around anything that people are scared of. The latest is 5G, and there are peddlers of various protections to spare you the ills of 5G. A device that’s been identified as an ordinary USB stick, claimed that it “provides protection for your home and family, thanks to the wearable holographic nano-layer catalyser, which can be worn or placed near to a smartphone or any other electrical, radiation or EMF [electromagnetic field] emitting device”. Technobabble.
An expert carries out a teardown of a device said to defend users against negative health effects.