1) Display: 1.5-Inch CSTN color LCD display 2) Memory: 8Mb built-in flash memory 3) Image Resolution: 128 x 128 pixels 4) Photo Storage: 47 pictures 5) Power: built-in 3.7V lithium battery or USB 5V supply; Interface: USB 2.0 6) File Format: BMP, JPG 7) Play mode: manual/automatic play 8) Auto power off function 9) Operation System: Win2000/XP 10) Operating Environment: 0 to 40 degrees Celsius 11) Case Color: silver, white, yellow, green and red etc. 12) Working Time: 4-5 hours 13) Real time clock set and Display 14) Deletel one or all potho function 15) Contrast set and Background light set 16) Support USB connect,without disk above 98,renew time automatically. 17) Accessories: USB cable, user's manual and hop-packet 18) Product Size: 81*61*61mm,Weight: 157g