Costco have a special on smart bulbs. I've never heard of this brand, but unless there are stories of exploding houses then most brands are so similar I don't care about the name.
From the product description…
Control the light with V-TAC Smart Light App. Offering multiple functions for colour changing, dimming, On/Off, schedule, timer and many more. Wi-Fi 2.4GHz compatible, no Hub or bridge required.
This product features:
RGB + 2700K-6500K colour temperatures
4 bulbs + 1 instruction manual
10W A60 LED smart(Wi-Fi) bulb designed with Samsung LED Chip
Compatible with Amazon Alexa and Google Home
10 Watts equivalence 60 Watts
200° beam angle
Input voltage AC:220-240V,50Hz
Life Span 25000 Hours
Dimmable by App and voice control only