7 inch TFT LCD color screen Screen size: 152x85mm, Resolution: 1024*600 Video format: Memory capacity: 256M Non-button or multi-buttons Magnet switch on-off Rechargeable Lithium battery supply: built-in rechargeable 37V 500mah lithium battery With USB for recharge and upload video Interface : mini-USB Operation system: Win98/ME/NT/2000/XP/WIN7/WIN8. and so on Functions: Open the card, enclosed video shall play Colour:white Material:paper Size:210*150mm Package Contents: 1*Video greeting card 1*USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.