... 1,speaker:dia 40mm 2,PCB size:40X30mm 3,Battery:3*AG-10 Greeting card Voice module,custom voice module,sound module;Pre ... time: 3 to 300 seconds, just as your requirement;3.Suitable for various of toys, greeting card, gift bags, Photo frame, and door message ... , flashing badge, key chains and so on. Products comply with CE, ROHS,EN71,FDA,,etc and successfully exported to USA, UK, Germany, Japan ...