C by GE makes relatively inexpensive smart bulbs that operate over Bluetooth, rather than Wi-Fi like bulbs from other brands like LIFX and Philips Hue. ... This allows you to control your lights from anywhere through the C by GE app, even when you're not home.
What is C by GE devices?
Get more from your smart LED bulbs and other smart devices: The C by GE bridge allows you to extend the reach of your smart home by connecting through Google Home, Alexa, or Apple HomeKit to other devices in addition to your smart LED light bulbs.
Do C by GE need a hub?
You can connect and control them with both Alexa and Google Assistant right out of the box. GE Lighting's newest smart bulbs and light strips are a relatively inexpensive new option that supports Alexa and Google Assistant voice controls.