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Key chain※This product does not need to be assembled
our products are 100% quality guaranteed Because the whole product is assembled from acrylic
【Thoughtful Gift for Any Occasion】 Combining charm
Bluetooth Music Tesla Coil Arc Plasma Loudspeaker Wireless Transmission Experiment heartbeat modeNew design using a newly designed PCB circuit board, with circuit protection design, will not damage the input equipment, before turning on, be sure to turn 2 knobs counterclockwise to avoid sudden noise to frighten you. Bluetooth connection music can be played through the Bluetooth connection of the mobile phone (the effect of playing square wave music will be better). The lightning will jump along with the music and become a dynamic Tesla coil.