HighCRI LED in Nitecore NU25 (2017)

Would anybody know what LED is used in the old Nitecore NU25 (2017) for the auxiliary high CRI proximity light?

This is the new version. The old/classic one (2017) was IMHO (even) more functional. It had a diffused, high CRI auxiliary LED. I’m trying to find out what LED it is.

If this illustration is to be trusted, the LED has a highly nonstandard rectangular footprint and probably isn’t any emitter we on BLF would know much about.

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