... 4. promotion t-shirt,EL sound active T-shirt,EL t-shirt,EL flashing t-shirt,EL flash t-shirt,EL animated panel t-shirt,EL equalizer t-shirt,EL music flashing t-shirt,Sound active t-shirt,LED EL t-shirt,EL t-qualizer t-shirt:EL t-shirt are widely used ... disco dancing, dance hall, sports competitionSpecification:1.EL t-shirt panel 1)Sound sensitive and high brightness2)NO heat with long lifetime3)Over ...