SMALL BODY BUT SHOCKING ENERGY----It's small enough, only 4.17*4.17*2.36in, but it has a shocking energy. turn the voice slowly to avoid big shock by the arc sound. Before power on, make sure to turn the 2 knobs counter clockwise to the end, just avoid sudden loud sound to scare you. Package contains USB flash disk, which contains 45 songs of square wave music.
BETTER PERFORMANCE-----This music tesla has circuit protection design, will not damage the input device, can play music in better quality than arc plasma loudspeaker, only square wave music can be played.
BLUETOOTH AND EASY OPERATION-----It's Bluetooth.No grounding needed.No audio wire connection.This model is specially design for square wave music.It can only play square wave music, and perfect good.You can search and download the square wave music online.Detailed Manual packaged. PLUG and PLAY!
ENDLESS FUN-----This music tesla has the function of wireless transmission and loudspeaker, can light gaseous tube and kind of bubbles.It is a perfect teaching tool to spark students’ interest of science, also a great gift.
AMAZING CONVERSATION PIECE ON YOUR DESK----- It's funny to see people's looks and reactions when they squeeze a little shot for this tesla coil model. Plug it and light LED bulb up, and then it works like charm. All of your guests want to know what happened, icebreaking success.

How to connect Bluetooth

1. Switch on your phone Bluetooth function.

2. Plug the power to the model. Tesla model Bluetooth active. Bluetooth name:XFW-M18.

3. You will find Bluetooth name:XFW-M18 in your phone, hook it up.

4. play the square wave music in your phone.

Features:

1. Voltage:220V 50/60HZ

2. Watt:0-100W

3. Arc length: 0-10cm(adjustable by rotary switch)

4. Product Size:10.6*10.6*6cm/4.17*4.17*2.36in Weight: 0.9kg/1.98ib

Caution:

1. Not suitable for people with electronic medical instruments.

2. Do not touch the tesla while working.

3. Please do not use this tesla under environment with flammable and explosive materials or closed coil and big size metal.

Package list:

1*tesla coil

1*discharge needle

4*neon bulbs

1*adapter 

If you have difficult to download square wave music or hook up the Bluetooth, we're here ready to help you out.