EufyHome via Amazon offers Prime members the
Anker Eufy Lumos 9-watt (60-watt Equivalent) WiFi Smart Dimmable LED Light Bulb in Soft White for
$16.99 with
free shipping. That's $19 off list and the lowest price we could find. Unlike many similar bulbs, it doesn't require a hub and can be controlled directly from a smartphone via the EufyHome app. It also works with Amazon Alexa.
It's also available in
Tunable White for
$25.49 with
free shipping. That's $21 off list and the lowest price we could find. Compared to the model above, it can be adjusted from soft white to daylight color temperatures.