These one-of-a-kind cards don’t just pop up—they light up and play a perfectly paired tune when opened for an extra special surprise. Featured Song: Instrumental version of "Happy Birthday to You" * 3D music and lights pop-up card measures 5”x7” * Includes one slide out note that can be personalized and sent directly to the recipient * Premium envelope (extra postage may be required) How to use: Music and lights turn on when opened and remain on for 30 seconds before automatically shutting off. FCC Information # greeting card, popup card, 3D card, lovepop card, Cards Greeting