1.Sound Module For Card custom sound 1-60s 2.Excellent sound ... .CE,ROHS Detail descriptions of Sound Module For Card 1.Application in greeting cards, Christmas cards, ... .Message format: MP3 or WAV11.Message duration: 1-180 secondsOEM item available: ideas, prototypes, artworks12 ... cartonCarton size: 56*28*39CMInstruction for use (greeting card for example)Step 1: take out the transparent sheetStep ...