Caution: Attention Getting Tshirt This LED glowing shirt will light up to the beat of the music/sound. Wear for rave, party, disco, performance, gathering, cosplay dress, halloween costumes for man and women, or everyday use. The LED sound activated light up T shirt animation lighting is controlled by built-in sensor, when music comes, LED panel lighting beats up and down The LED shirts are 100% Cotton matching with cool silk screen printing pattern, breathable, and pre-washed Powered by AAA*2 batteries(not included),with belt clip can be positioned either inside built-in pocket or clip on belt, adjustable sound activate sensor slide button on side edge, 4~6 hours battery life time