Transform any celebration into a vibrant experience with these LED Christmas icicle lights, featuring smart app control via the Hello Fairy Bluetooth app. With access to 16 million color options, music sync, brightness and speed adjustment, and a pause function, these lights bring customizable lighting to events like parties, weddings, holidays, and more. Built-in music sync includes four dynamic modes that respond to sound through a high-sensitivity microphone, creating a magical atmosphere that matches the rhythm of without requiring extra devices. - Bright Zeal RGB 66 ft Outdoor Icicle Lights with 598 LED, 2‑Pack in White