Most smart home products use one of four connectivity options — WiFi, Zigbee, Z-Wave, or Bluetooth Low Energy. Bluetooth products are a little less popular, because they can only be controlled locally via a smartphone, or remotely if the company makes its own Bluetooth to WiFi hub. General Electric's C-Life A19 bulbs use Bluetooth too, but they're special because they're one of the few products that can use a Google Home speaker as their hub.
The C-Life Smart Bulb has no separate account to manage, no additional hubs to plug into your router, and no Wi-Fi connections to deal with. All you need is a Google Home, the Home app, and you're set.
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