SOUNDS ACTIVATED: The smart voice activation sensor is embedded, and strobe lights capture nearby sounds or music, changing the color or speed of the disco lights. NOTE: For Android phones, ensure OTG setting is enabled. The disco light requires OTG to be turned on for proper function. WIDE APPLICATION: LED disco balls are compatible with smartphones (for Android and iPhones), microphones, computers, chargers, power banks, Bluetooth speakers, and radios. EASY TO USE AND CARRY: Portable and compact, these lights are smaller than an egg yet highly bright. Powered via USB, simply plug the disco lights into any USB power source such as an AC adapter, power bank, computer, microphone, or smartphone. SUITABLE FOR MANY OCCASIONS: Ideal for discos, dance halls, KTV, bars, stages, clubs, parties, and concerts. These disco ball lamps also enhance weddings, pool parties, Christmas, family gatherings, celebrations, and car events by creating an engaging atmosphere. NOTE: Use a phone connector adapter where needed. Ensure your mobile phone has OTG enabled in settings (Settings > More Settings > OTG > Enable). This colorful USB DJ light enhances stage ambiance and improves the entertainment experience.