5mm LED RGB Fast VERSUS 5mm LED RGB Slow

[@StyleTechnique]

Do I understand correctly that the slow flash LEDs are -->not able

[@karloszaballos]

LEDs have their own internal electronics, they only have two power pins.
At the time of purchase you choose what type of led you want if fast or slow RGB change

[@naishadhladva4979]

How it's possible......?

[@karloszaballos]

Inside it has an electronic circuit that makes the light change.