I know there are two version but you seem to be missing this point:
Eufy Lumos Smart Bulb - White, Soft White (2700K), 60W Equivalent, Works With Amazon Alexa & the Google Assistant, No Hub Required, Wi-Fi, Dimmable LED Bulb, 9W, A19, E26, 800 Lumens
Comfortable Lighting: Use the EufyHome app to dim or brighten to your ideal illumination.
What is the difference between Lumos White and Lumos tunable? The full name of “Lumos Tunable” is “Lumos Tunable White”. Besides being able to dim the brightness level, Lumos Tunable bulbs can also adjust the color temperature of the bulbs from warm white to cool white.