Has anyone managed to get audio out from LG Ultrafine 5k with USB C to 3.5 headphone adapter?

I'm using "CONMDEX Moto Z Type C to 3.5 mm Headphone Jack" adapter and no luck. It doesn't work through MBP's USB C port either.

LG UltraFine 5K Display

LG UltraFine 5K Display

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