... design. fashion light up clothing EL Sound Active . EL flashing t-shirt1.high quality el t shirt, ideal for your ... . 3.180g,100%cotton washable T-shirt with EL panel mounted on Velcro patch for easy removal before ... off feature and a switch to activate up.9,Flashing panel is fixed with T-shirt by Velcro, ... or 4AAA Batteries.3.Type:Sound active ,5 flashing,10 flashing,WIFI Function.4.4AAA ,2 AAA ,2 AA ...