Govee Smart Light Bulbs, Wifi And Bluetooth Color Changing Light Bulbs, Music Smart Control: Govee color-changing light bulbs make it possible to control your bulbs with simple voice commands. Feel free to turn your smart light bulbs on/off, adjust brightness, change the colors, and set scenes via Govee Home App. 16 Million DIY Colors: Govee smart light bulbs provide millions of colors and 54 preset scene modes. Style up your home decor with color accents, or set up fun light colors for your next party. Hub not required (Working Voltage: AC 120V). Music Sync: Our smart light bulbs change color and brightness when your phone's microphone detects sound. Note: This only works when the microphone is not occupied. Download Govee Home App and enable microphone permissions. Timer and Schedule: Applying these smart light 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. Group Control: Have more than one Govee smart product? You can create a group to simultaneously control multiple smart bulbs from anywhere with a stable 2.4GHz Wi-Fi connection. Control these smart LED bulbs with your family for added fun.