Feature 1、Scientific Experiment: The tesla coil is hand touchable under safe operation, cordless lightning, palm lightning, dual mode (audio line mode, bluetooth music mode), music play mode, and also frequency adjusting and so on. 2、LED Bulb: Plugged in and can light up the LED bulb, the music tesla coil will be exuding glamour. It's a fun art decoration and makes a great gift. 3、Easy to Operate: The tesla coil is designed for square wave music, Bluetooth connectivity, plug and play, no audio cable or grounding required, easy to operate. 4、High Performance: This music tesla coil has a circuit protection design, it will not damage the input device, and can play better music. 5、Tone: The musical tesla coil produces different tones based on different discharge frequencies. The sparking gaping arc can also jumping to the rhythm of the music. With wireless transmission and speaker function. Item Type: Music Tesla Coil Material: Acrylic Current: 1.2-2A Discharge Frequency: 5-45Hz ±10% Lightning Length: 0-10cm Audio Interface: 3.5 audio port Package List 1 x Musical Tesla Coil1 x Discharge Needle 2 x Small Light Bulb 1 x Adapter 1 x Accessory 1 x Manual Note 1. Keep away from flammable and explosive materials while working; 2. Avoid arcs hitting other electronic equipment; 3. Take care not to be poked by electric needles; 4. Do not allow the arc to strike sensitive parts; 5. Keep minors under adult supervision; 6. Do not prevent any objects above the mainframe panel to avoid shell burns; 7. Music mode discharge frequency is high, do not touch it directly with your hands (it will hurt more), it is recommended to use the leading pin to contact the lightning.