Costco - V-TAC LED RGB Smart Bulbs 4pk
Instore price $32.99 (thanks to Philthy) - I confirmed the price today.
Also available in e27: https://www.costco.com.au/TVs-Electronics-Technology/Smart-H...
no hub required.
Amazon Alexa or Google Home compatible
These V-TAC LED smart bulbs are designed with a Samsung chip, enabling a connection between Amazon Alexa or Google Home, so you can control the light with the V-TAC Smart Light app. Change the colour, dim the lights, turn them on or off, schedule a time, put them on a timer, and more. Requires Wi-Fi 2.4GHz and is dimmable by app and voice control only.