* 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 can 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.
* EASY OPERATION-----It's Bluetooth-compatible. 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.
