BAODBF Music Tesla Coil, Speaker Coil Made of Acrylic, Musical Artificial Flashes, Scientific Teaching, for Children

[Longbow Mode & Music Mode] The longbow mode emits flashes at a fixed frequency. When the knob is set to medium power, you can touch the flash with your hand and there will be a slight tingling sensation. Music mode: connect the device via Bluetooth, play music with square waves, and the energy of the flash is concentrated in clusters. This can effectively attract attention and improve students' ability to explore. Stable Bluetooth connection: The self-developed Bluetooth chip can be compatible with all mobile phones, computers and other Bluetooth devices and provide a stable connection. Better coil technology! It is covered with gold coated transparent ink, dustproof and sturdy. [Ideal model for science teaching] This musical Tesla has the function of wireless power transmission and speaker and can ignite gas tubes and various bubbles. It is a good physical and science teaching tool. [Easy to use] The operation is simple, just screw the discharge needle, turn off the power and frequency setting, power the device and you can see the flash in front of you. Switch to the music files so that the flash changes to the rhythm of the music. Very creative. Supports Type-C [Compact] Dimensions: 90 x 90 x 33 mm, with a more complex circuit structure and an upgraded coil with larger area. The optimised coil flash arc is long and thick. Slowly turn the sound around to avoid being scared by the sound of the spark.