led module for cup, wine bottle, etc Customized design are accepted OEM / ODM ... for: greeting cards, gift package, Promotional gifts, cup, bottle, etc.l Activated: by push, pull-tab (slide), light ... Components: PCB, IC, speaker, microphone, LED indicator, batteries, wire harness, switch, more or less for different itemsl Any customize ... available. led module for doll,cup, wine bottle, liquid bottle