Unique Patented Design in USA: After 315 times 3D structure effect adjustment, 200 times electronic light tested, intensive research based on top 100 products, we have innovatively designed this unique music & light show birthday greeting gift card: playing the classic happy birthday song, while the "happy birthday" sign light show starts dancing, the led candle lights up, and the surrounding 3D exquisite gift boxes, champagne, colorful balloons, and ribbons are also displayed.

Funny Blowable LED Candle: We believe that greeting card can interactively convey emotion. unlike traditional boring greeting cards, our birthday card is designed with blowable led candle. you can blow it out just like real birthday candle, after blow out, you will hear cheerful & blessing applause, which birng more happiness and surprise on birthday.

Multicolor Sparkling Light Show: in syn with the melody of the happy birthday song, the happy birthday light sign changes in different flashing modes and colors, allowing you to enjoy a magical 28 second light show. whether your family or friends receive such a wonderful birthday gift, they will feel very surprised and moved, or even occasionally open it and enjoy the stunning light show over and over again.

Durable, Safety: All of the components of our birthday card are made of safe and eco-friendly material including high-quality thickened paper, durable battery and built-in music sensor, which is very stable after more than 1000 times power consumption tests.

With An Envelope and A Blank Wish Card , Ready To Mail: Package include 1* 3d pop up birthday card 7.87" x 5.9", a blank wish card, an envelope. there are plenty of room on the card to express your thoughts and wishes or write your words on the blank wish cards. comes with an envelope, which is ready to mail, no need buy an extra one.