Mini arc music coil that combines music playback and precision electronics for reliable performance and visual appeal. Key benefits Flexible playback options: play music wirelessly via Bluetooth or wired through an audio cable for simple, direct connection. Easy Bluetooth pairing: Bluetooth becomes discoverable after the coil is powered on and the startup prompt finishes, making connection straightforward. Stable, precise electronics: a finely assembled circuit board built from many small parts delivers neat appearance and consistent performance. Compact collectible: small form factor fits on a desk or shelf and serves as a distinctive decorative or functional gadget. Function and compatibility Bluetooth audio ready for use with devices that support Bluetooth music playback. Wired playback compatible with devices that provide a 3.5 mm audio output or standard audio cable connections. Mini size and precision construction emphasize portability and durability in typical indoor use. Practical use scenarios Live demos and performances: use as an audiocapable prop for art shows, stage routines, or musicdriven visual effects. Education and STEM projects: demonstrate principles of electrical energy and circuitry in classroom or workshop settings. Decorative desktop gadget: play background music while displaying a unique, techinspired collectible at home or in the office. What makes it stand out Combines audio playback with an eyecatching coil design and a neatly arranged, quality circuit board for dependable operation and attractive presentation.