GE
GE CYNC A21: Smart LED Light Bulbs, Color Changing WiFi Lights (4 Pack)
★★★★★
Transform Your Home with GE CYNC Smart LED Light Bulbs The GE CYNC A21 Smart LED Light Bulbs allow you to personalize your home lighting with millions of colors and customizable schedules. Compatible with Amazon Alexa and Google Assistant, these bulbs offer convenient voice control and remote ma...
$79.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Transform Your Home with GE CYNC Smart LED Light Bulbs
The GE CYNC A21 Smart LED Light Bulbs allow you to personalize your home lighting with millions of colors and customizable schedules. Compatible with Amazon Alexa and Google Assistant, these bulbs offer convenient voice control and remote management.
Key Specifications:
- Brand: GE
- Model: CYNC A21
- Connectivity: WiFi
- Compatibility: Amazon Alexa, Google Assistant
- Features: Color Changing, Custom Schedules, Remote Control
- Quantity: 4 Pack
Key Features
Color Changing Light Bulbs: Use the Cync App, powered by Savant, to create millions of color options, set the mood for parties and holidays, or adjust brightness and home decor for any occasion with these decorative light bulbs
Smart Home and Automation: Set daily schedules to match your routine, control your lights while away, turn lights off to save energy, or schedule lights to turn on at dusk so you never come home to a dark house
Smart Bulb Voice Control: Directly connect your smart LED bulbs to Google Home and Amazon Alexa devices (sold separately) for hands-free voice control; No hub required
Energy-Efficient Smart Bulb: Our smart LED lights replace 100-watt bulbs with full color LED bulbs while lasting longer and using less energy; Perfect for enhancing home security when you’re away
Effortless Setup: These LED smart light bulbs connect directly to a 2.4 GHz WiFi connection; Easily add smart control to any vanity or decorative fixture with these WiFi light bulbs
Specifications
Model
CYNC A21 Smart LED Light Bulbs
Type
Color Changing WiFi Lights
Quantity
4 Pack
Equivalent Wattage
100-watt (LED replacement)
Connectivity
2.4 GHz WiFi
App Control
Cync App (powered by Savant)
Voice Control Compatibility
Google Home, Amazon Alexa (devices sold separately)
Pros & Cons
👍 Pros
- Offers millions of color options via the Cync App, allowing for extensive mood and decor customization.
- Enables smart home automation, including daily schedules and remote control for energy savings.
- Supports direct voice control integration with Google Home and Amazon Alexa devices without a hub.
- Designed as an energy-efficient LED bulb, replacing 100-watt equivalents while consuming less power.
- Provides an effortless setup, connecting directly to a 2.4 GHz WiFi network for quick smart control.
👎 Cons
- Requires a 2.4 GHz WiFi connection for direct setup and smart functionality, not supporting 5 GHz networks.
- Voice control functionality depends on owning separate Google Home or Amazon Alexa devices.
- The full range of color and scheduling options are managed through the Cync App, requiring app installation.
- While energy-efficient, the specific lifespan in hours for these LED bulbs is not detailed.
- The bulbs are A21 type, which might not fit all smaller or specialized light fixtures.
Frequently Asked Questions
How do I change the colors of these GE CYNC smart light bulbs?
You can change the colors and adjust brightness using the Cync App, powered by Savant, which offers millions of color options to set the mood for any occasion.
Do I need a separate hub to use these smart bulbs with voice control?
No, these smart LED bulbs connect directly to Google Home and Amazon Alexa devices (sold separately) for hands-free voice control, with no additional hub required.
Can I control these lights when I'm not home?
Yes, through the Cync App, you can control your lights while away, set daily schedules to match your routine, and even schedule lights to turn on at dusk.
What kind of WiFi connection do these smart bulbs require?
These LED smart light bulbs connect directly to a 2.4 GHz WiFi connection for effortless setup and smart control.
Are these bulbs energy efficient?
Yes, these smart LED lights are designed to replace 100-watt traditional bulbs with full-color LED technology, offering longer life and using less energy.
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