IC for greeting cards, music chip *You can record your voice with microphone *It is your perfect choice. record ... be recorded , and play when opening,then start music(with microphone)* Music,melody and duration can be customized.* Component:Excellent ... WT voice chip,speaker, and Batteries or microphone* Dimension:185mm *130mmApplicationsSpecial music card, music card, invitation, postcard, Resume or CV ...