... .100% cotton, 180g 2.More than 500 kinds design 3,Light with sound or music sound shirt / sound active tshirt / Led tshirt / Music tshirtApplication ... transfer (T/T), western union, paypal 8.Lead Time:Sample:2-3workdays, 20- 100pcs:3-5workdays, 100-300pcs:5-7workdays,300 ... get plenty of compliments with sound activated T shirt2) The build-in sensor will react to various level of music, so panel ...