The Vevor smart light bulbs add vibrant, customizable lighting to your home with up to 16 million colors and adjustable white light from warm to cool tones. They connect through WiFi or Bluetooth and work with Alexa and Google Assistant for convenient voice control. With 44 preset scenes, music sync, and app-based group control, they are designed to create the right atmosphere for everyday use, parties, or relaxation. The 4-pack setup makes it easy to outfit a room with coordinated smart lighting.