Features: Voice activated LED melodys Light set synchronizes LED lights with sound rhythms, offering a dynamic sound visual experiences through its assembly and real time responsiveness to music or ambients noise. Features a clear circuit design with power supply, microphone amplification. Ideal for STEM students, electronics enthusiasts, and hobbyists seeking hands on experiences in soldering practice, circuit principles, and creative sound light interaction projects. Perfect for home entertainment setups, classroom demonstrations, or personally workshops where users can showcase synchronized light patterns reacting to music, speeches, or ambients sounds. Includes a detailed component list and troubleshooting guide to avoid common assembly errors, ensuring successful creation of a functional educational tool that blends art with technology. Specifications: Name: Voice-controlled LED melodys light Working voltages: 3-5.5V component: PCB Package Includes: 1 set of voice-controlled LED melodys light electronic production set note: Not retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!