Bogus Security Technology: An Anti-5G USB Stick

The 5GBioShield sells for £339.60, and the description sounds like snake oil: ...its website, which describes it as a USB key that "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". "Through a process...