1) Sound or music activation 3) Led built in 4C offset printing card

  music or sound activated led postcard greeting card for Christmas :

Material: 250g white paper cardRed, yellow, orange, blue, jade, and white LED colors availableStructure:   led, circuit, colorful, card and packingCustomized designs are acceptedUnfolded size: 5''x 7''music or sound activationPacking information:One piece/OPP bag200pcs/carton,Carton dimensions: 55.5X31.5X42.5CMNet weight: 9kgGross weight: 10kgSample time: 8 to 9 days

music or sound activated led postcard greeting card for Christmas