... price with best sound quality 3.Customized Design Sound Modules For Greeting Card 1. Message: Voice,music,melody,sound are avaiable2. Function ... : Dia 16,23,27,29,36,40,50mm is avaiable for choice5. PCB Size: 70mm*30mm; 40mm*25mm customized is ... activated the sound9. Battery: 2-4pcs cell battery for different item10. Application: Greeting card, gift/package bags, gift box, electronic sound toy ...