Product overview A compact music Tesla coil that combines wireless power transmission, a plasma loudspeaker, and visible voltage effects. Designed for classroom demonstrations, science experiments, and handson learning, it supports Bluetooth audio input and includes circuit protection to safeguard connected devices. Key benefits Demonstrates core physics concepts in a clear, visible way: voltage discharge, wireless power transfer, and frequency skin effect. Safe for audio sources: builtin circuit protection reduces risk of damage to connected devices while playing music through the plasma arc. Easy to use and versatile: Bluetooth audio connection plus direct experiment capability makes setup quick for lessons, demos, and events. Compact and portable: host dimensions and lightweight packaging make it simple to transport between classrooms or presentation sites. Main features Functions: wireless transmission, loudspeaker using plasma arc, ability to light gas discharge tubes, and generate visible plasma bubbles. Experimental capabilities: produce voltage lightning for demonstrations, wireless power transmission experiments, wireless lighting, and insulator withstand voltage testing. Educational use: suitable for demonstrating boosting principles and frequency skin effect in physics lessons. Audio: Bluetooth connection for convenient wireless audio playback; designed circuit offers higherquality sound than a typical arc plasma loudspeaker. Protection and reliability: newly designed PCB circuit board and reasonable circuit layout with circuit protection to avoid harming input devices. Technical specifications Power voltage: 110240vac 50 / 60Hz Host size: 186 x 106 x 58 mm Package weight: 950 g Package size: 21 x 15 x 13 cm Compatibility Compatible with devices that support Bluetooth audio, including smartphones, tablets, and laptops. Circuit protection reduces risk to source devices during audio playback. Typical use scenarios 1. Classroom demonstration: Teachers use the device to demonstrate electromagnetic concepts such as voltage discharge, wireless power transfer, and the frequency skin effect while playing synchronized audio for clearer engagement. 2. Science fair or public demonstration: Create a visual and audio presentation that illustrates wireless lighting and plasma effects to help nontechnical audiences understand basic principles. 3. Laboratory testing and experiments: Use for insulator withstand voltage testing and controlled wireless power experiments in an educational lab environment. What makes it stand out Combines audio playback and visible voltage phenomena in a single compact device. Circuit protection and a newly designed PCB improve reliability and help protect connected audio sources. Wide input voltage range and portable size make it adaptable to different settings and easy to transport. Note Operate following standard safety practices for voltage demonstrations and under appropriate supervision during experiments.