UVC lights are wonderful for killing 99.7% of germs on any surface. Thanks to Wave by UV-C Labs, you can turn your smartphone into a UVC sanitizer. It comes with Bluetooth 5.0, 265-280nm wavelength, and a smart app. It attaches to your phone easily and comes with 5 UVC & 5 LED light nodes.
Wave is pretty easy to use: simply attach it to your phone, open the companion app, select the surface you want to sanitize, and let the device do the rest. Wave has a child-proof lock. Its rechargeable battery is good for 100 uses.