... Custom 4C offset printing 2. different colors of leds 3.music plays while leds are flashing 4.Rohs and CE Flashing ... led card with music for promotions or Christmas :Material: 220-300g white paper ... Available LED colors: red, yellow, orange, blue, jade, and whiteStructure: music IC, LED, circuit, colorful, card and packingCustomized designs are acceptedUnfolded ...