All "Hue"-branded bulbs are Zigbee, some additionally add BT connectivity. All "Wiz", "Connected by Wiz", and "Phillips smart bulbs" without Hue branding are W

All "Hue"-branded bulbs are Zigbee, some additionally add BT connectivity. All "Wiz", "Connected by Wiz", and "Phillips smart bulbs" without Hue branding are Wifi based. Incidentally, both are compatible with HA.