... With most fashionable design. fashion light up clothing EL Sound Active . EL flashing t-shirt1.high quality el t shirt, ideal for your artwork or logos printed on ... activate up.9,Flashing panel is fixed with T-shirt by Velcro, or sew it on T-shirt , when you wash t-shirt, youshould take ... Using 2 AA batteries or 4AAA Batteries.3.Type:Sound active ,5 flashing,10 flashing,WIFI Function.4.4AAA ,2 AAA ,2 ...