Model: H600B (2 Pack & 4 Pack) Illuminate your space with Govee Smart E12 Candelabra Bulbs. Enable customizable scenes for relaxation, parties, or holiday decor. Enjoy music sync modes and preset lighting schedules for immersive smart home experiences. Millions of Color Choices: offers millions of colors and over 64+ preset scene modes. Customize your home with vibrant color accents, or choose cozy light colors for reading and relaxation. Adjustable Brightness & Color Temp: With adjustable brightness (0-450lm) and color temperature (2700-6500K), this E12 bulb adapts to any situation. Effortlessly create the perfect atmosphere. (Note: This bulb cannot be used with dimmer switches.) Smart Voice Control: Control these E12 led bulbs via simple voice commands. Compatible with Alexa, Google Assistant, and Matter for hands-free control. (Note: Please update the Govee Home app if your device can't be found or connected.) Music Sync: Govee Smart E12 Candelabra Bulb changes color and brightness when your phone's microphone detects sound. Timer and Scheduling: Applying these LED candle bulbs to your daily routine is now easier than ever with timer functions and modes like Sunrise & Sunset. Stay energized in the morning or wind down after a long day.