Does anyone have familiarity with the XT1506S line of LEDs?

Does anyone have familiarity with the XT1506S line of LEDs? It seems to be potentially a proprietary product from this company http://blueviewled.com/

I noticed it’s not on the FastLED chipset reference page.

I’d bet that it is based on the WS2812 protocol or just WS2812B chips repackaged to look proprietary. I tried to look at the data sheet but it is password protected.

@Brian_Lewis Yep pretty much WS2813 clones http://www.jercio.com/en/chanpinzhongxin-297066-0-item-580406.html these have a redundant out pin as well, same as the WS2813