... coating, foil-stamping, matt lamination, and 3D designsPackage: each card with an envelope in a polybag, 400 pieces in a cartonQC ... , themes, designs are welcomeIt's made with a sound module, when open the card, and it play the musicPromotion Light sensor ... music,replay music or sound card .TEST PASS:ROHS TESTinclude :battery, IC board , cmos chip .Greeting CardsMusical chip with music playing or re- ...