... pattern for any Holiday with specially voice or music. Gift box with light sensor module When prepare gift to your friends,family, ... open the box,music will send out.There is a sensor module inserted into the box,it is actived by light ... 7(L)*4.5(W)*0.5(Dia)cm,backside with sticker.Music format: mp3 or wav. OPEN BOX,MUSIC ... WINE BOX IRON BOX OTHERS PAPER GIFT BOX Gift box with light sensor module