10CM ARC: This flat tesla coil is only 4 inches in size, but it makes a beautiful 10cm arc, and the spark gap arc jumps to the rhythm of the music, which is very interesting and suitable for you to teach your kids sound transmission.

BLUETOOTH SQUARE WAVE MUSIC PLAYBACK: Our tesla coil can be used via bluetooth connection, and every time it is discharged, the frequency of vibration will change to produce different tones. No grounding, no sound cables, just plug and play to enjoy amazing music.

ENDLESS FUN: This music model has wireless transmission and speaker function to light up neon lights and various bubbles. And this tesla coil can be touched at will, only a slight feel and temperature, with the rhythm of the music, giving you a different experience.

SMALL SIZE, HIGH POWER: Bluetooth music tesla is small enough, but powerful enough. When plugged in, there's a stunning sparkling melody that plays music better than curved plasma speakers. You can use it as a player with its own light to enhance the music atmosphere.

WIDE APPLICATION: This bluetooth music coil model is very easy to use, suitable for people to learn the mysteries of science and physics, let them enjoy the fun of touching it, so it is also a perfect learning tool for physics teaching, science experiments, electronic competitions, graduation projects, birthday gifts.