EL sound active T-shirt,EQ music t-shirt,T-qualzier DJ flashing t-shirt 3D light up t-shirt,Disco t-shirt Feature:Sound sensitive, high brightness ,no heat ,long lifetime, over 300 styles of el panel graphic. Application:Products promotion, election, festive gatherings, night cubs, discos, bars, dancing parties, pastime occasions etc. T-Shirt Body Style: Unisex,Children Material: 180-220gsm 100% cotton Color: Black is main color,white, blue and pink Size: L, XL, XXL Sleeve: Short or Long Neck: Round or V style EL Panel: Front or back of the T-Shirt Standard: CE/RoHS certificate Inverter battery: 4X(1.5V)AAA Voltage: DC6V Life: 3000-3500 hours Working clothes: Velcro or sewn Packing 1pc/PVC bag or OPP bag, 50pcs/ctn Meas:40X40X50cm Washing: 1.Dry clean or Hand wash 2.Remove power unit before washing 3.Do not submerge any part of the flash panel 4.EL flashing panel mounted on velcro patch for easy removal before washing Care 1.Avoid creasing the light panel when putting on or taking off. 2.Avoid forcing and stretching the wire system. 3.Avoid getting wet while the system is on or with batteries.