1.Greeting Card With Sound Module,ideal choice for gifts 2.Custom sounds 1-180s 3.Excellent sound effect 4.Long life ... duration Detail descriptions of Greeting Card With Sound Module 1. Application in birthday cards, mother’s day ... . Main component: paper card, sound module5. Card size: A5, A4 or customized6. Paper card weight: 200g, 250g, 300g, 350g7. Card design: artworks8. Music ...