Coil Module, This is a new concept of arc speaker with music playback function, stimulate the arc through the air to make the plasma produce air vibration Mini Coil Unassembled Electronic Kit, Possess light isolation function, after the coil is energized, the fluorescent lamp can be lit separately Mini DIY Plasma Speaker Electronic Kit , The product support arc function, the wire at the tail will produce an arc which can be ignited Coil Module, Hand‑made DIY electronic tool kit is clearly marked, simple to assemble, lighting to achieve multiple effects Arc Function DIY Coil Tool, You can play mobile phone/computer music by this coil electric module, but the sound is very small, Manufacturer: chengong