Get the original light-up disco experience with our Equalizer T Shirts. The technology called Electro Luminescence. It's a Graphic Equaliser display with many designs. The graphic equaliser responds to the music around you, jumping in time to your beats. The thin panel is sewn to the shirt and control by a small driver hidden in a pocket on the side of the shirt. The driver have a switch on/off and a sensetivity sensor to adjust if you in a loud rave or if you chilling with friends and want the panel to respond to any small sounds.