He covers VPNs, headphones ... That's the general idea behind ultraviolet (UV) phone sanitisers, anyway.f Sanitising devices that use UV light to kill pathogens and superbugs have been around ...

Editor’s Update: According to the schematic for this project, SST-10-UV-A130-F405-00 (PDF) LEDs are used which produce 405nm UV-A light ... In some cases, it’s also been a reminder of just ...