1. Diagonal: 1.5 inch cstn screen 2. Resolution: 128 ¡Á 128 3. Built-in memory: 8mb, can store 75 pictures at most 4. Picture formats: bmp, jpeg 5. Buttons: menu. Up and down three buttons 6. Play mode: manual or automatic play 7. With time and calendar functions 8. Rechargeable lithium battery with 8--10 hours playtime 9. Power: built-in 3.7v 3a battery or usb 5v supply 10. 120s auto shut off 11. Interface : usb 2.0 12. Operation system: win 2000 / xp / mac (option) 13. Colors : pink, green, purple, black, pink, silver Quantity/c: 50pcs Carton size (mm): 485¡Á485¡Á200 N.W.:11.5kg