***MISSING POWER SUPPLY***Joytech Bluetooth Music Tesla Coil Arc Plasma Loudspeaker Wireless Transmission Experiment Desktop Toy Model SSTC SS02

Additional Details from the Manufacturer

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• 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 110 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.In discharge mode,If there is no arc after power on, please use an iron screwdriver or blade to contact the discharge needle and draw out the arc.
• 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!
• EQUIPPED WITH A SPRING NEEDLE-----It is very soft and can waggle. You can use non-conductive materials such as thermal paper or plastic sticks to waggle the spring needle, and you will find that the music playback is not affected, but the arc will be more beautiful due to the waggle.
• 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.