... ,FCC,RoHs EL t-shirt, Equalizer el t-shirts, el flashing t-shirt, EL Sound active el T-shirt,el panel t-shirt,el equalizert ... pack or 2 AA battery pack for your choosEL T-shirt size: S,M,X,XL ,XXL(Standard European size) beow with size ... chartEL T-shirt material:100% pure cotton,light and thin,comfortable feelingEL t-shirt ...