... Voice module,Pre-recorded module, Parameter: 1,speaker:dia 40mm 2,PCB size:40X30mm 3,Battery:3*AG-10 Greeting card Voice module,custom voice module,sound module; ... in manufacturing and developing of promotion gift such as sound recordable module, greeting cards, music box, music bag, flashing ... or record the message by yourself. Recordable sound module,motion sensor voice module,voice recording card ...