Endless Musical Anniversary Card with Glitter Recommended for couples who appreciate anniversary humor and won't mind several hours of cheerful musical reminders about the enduring nature of their commitment. How to Use and Setup Anniversary card Simple 3-Step Activation: Sign Safely - Keep the tab intact while writing your personal anniversary message inside Remove Tab - With the card closed or placed in envelope, pull the tab from the spine when ready to activate the endless anniversary celebration Present & Enjoy - Once the recipient opens the card, the "Happy Anniversary" song begins its hours-long tribute to lasting love. Loops for 5-10 hours until battery dies Perfect For Many Occasions Wedding Anniversaries - Celebrate years of marital bliss with a card that plays just as long as you've been together... well, almost (it only lasts 10 hours) Relationship Milestones - Perfect for dating anniversaries when you want to test if your partner can handle something annoying for hours (great relationship test!) Milestone Anniversary Parties - Ideal for couples celebrating 10, 25, or 50 years together who need a reminder that some things really do go on forever Anniversary Gifts for Parents - Give mom and dad a card that's almost as persistent as their love... and their stories about "the good old days"
