Music Card, Birthday Card, Card: 1. Materail: Paper. 2. Could be music or voice. 3. OEM service. Music Card, Birthday Card, Card:1. Materail: Paper.2. Could be music or voice.3. OEM service. We offer the high quality recordable greeting card for the customer, have various kind designs, also welcome your design, it's good for promotion gifts. Music Card, Birthday Card, Card, Christmas Gift, ...