Modular musical voltage visualizer with detachable coil and interchangeable accessories. Designed to combine audible playback and striking visual effects while offering flexible configuration for different uses. Key benefits Modular design: Detachable coil and replaceable upper accessories let you change functions quickly to suit demonstrations, performances, or experiments. Reliable cooling and long runtime: Equipped with a bigger heat sink for improved cooling capacity and more stable longterm operation. Audio and circuitry: Includes circuit protection circuitry and a builtin wireless transmission and speaker system for music playback from common audio sources and file formats. Versatile visual output: Can light gas tubes and bubbletype discharge tubes to create synchronized visual effects with music. Practical and educational: Useful as a handson teaching tool to stimulate interest in science and as an engaging gift or display piece. Features and attributes Function: Detachable coil, interchangeable accessories, wireless audio transmission, builtin speaker, gas tube and bubbletype lighting capability. Compatibility: Works with common wireless audio sources such as smartphones, tablets, and computers via wireless transmission. Performance: Larger heat sink for stronger cooling and sustained operation; circuit protection circuitry for safer electrical handling. Format handling: Designed to play music without format limitation through the wireless transmission and speaker functions. Use scenarios Classroom demonstration: Show principles of electricity, resonance, and soundvisual interaction in physics or STEM classes by playing music and observing tube lighting and discharge patterns. Home hobby and desktop display: Add an interactive musicsynced visual centerpiece to a studio, workshop, or living space for education and entertainment. Small events and performances: Provide synchronized audiovisual effects for demonstrations, science outreach, or intimate gatherings where visualized music enhances the experience. What makes it stand out Interchangeable upper accessories and a detachable coil provide more functional flexibility than fixed designs. Enhanced cooling via a larger heat sink supports longer continuous use. Integrated wireless transmission and speaker plus circuit protection circuitry combine audio playback and electrical control in a single unit, enabling visualized music without strict file format limits. Contents and setup notes Unit with detachable coil and replaceable upper accessory interface. Builtin wireless audio link and speaker; refer to supplied user guidance for pairing and safe handling of gas tubes and discharge accessories. This product is intended for educational, demonstration, and entertainment uses where controlled, supervised operation is appropriate.