Model Number: K-43VC-D Key Specifications/Special Features: 1. 4.3 inch video greeting card size A6/A5 size2. Resolution: 480 * 272p3. Video format AVI (xvid), WMV (SP / MP), H.264 BP, FLV, RM / RMVB, H.263 and other formats to full D1 (720 * 576) 30fps video file playback4. Material: paper card + TFT screen + USB port5. comes with memory: 128Mb6. One-button control, or a plurality of different video playback control buttons, respectively7. Various of programs and function selection8. Built-in rechargeable Lithium battery9. Power: Built-in 3.7V rechargeable Lithium battery or USB 5V passenger power adapter10. The charging via a USB cable, you can upload and download videos11.USB interface: 2.012.The video and print content can be customized by the customer13. MagSwitch simple and convenient operation: open greeting cards that play video, closed greeting cards, video close14. System requirements: XP/Vista/Windows 7/Mac and the like