Our blank video business cards feature: 4" x 2.36" Black Video Business Cards 3" Screen - 4:3 Ratio 256MB Storage holds 5-7 mins of Video Auto-Play when opened Speaker Holes Load Your Own Video(s) Plays One or Multiple Videos Rechargeable Based in USA! https://instavizion.com/products/instavizion-blank-video-business-card-3-screen