A music tesla that can:
Wirelessly transmit sound and light
Light up tubes and bubbles with electricity
Play music with sparks 
A perfect teaching tool and a great gift for science lovers
A smart device for wireless transmission experiments, such as:
Wireless power
Wireless lighting
Voltage testing
A device that can demonstrate the principle of boosting and high-frequency skinning
A device that has circuit protection design and better sound quality than normal plasma speakers
A device that connects easily with your phone via BT
A device that works with any socket from 110V to 220V and can produce lightning up to 10cm long
A device that is small and compact, measuring only 90 x 90 x 32mm
To install it, follow these steps:
Attach the discharge pin to the fixing hole and screw it tightly
Plug the device into a socket (110-220V universal)
Connect the power plug to the device
Search for M18 on your phone and connect to play music in music mode (Please turn down the volume of your phone to maximum and turn the energy knob up)