1) Screem size: 1.1" , 96 (R.G.B) x 64 pixels 2) Outline:38*36*13mm 3) Browse photo: BMP,JPG,TIG and GIF files 4) Function: page up, page down, delet and power 5) The pictures can be deleted by one or all 6) The picture be viewed by page up and down 7) USB1.1 port for upload and download picture 8) Download picture directly 9) Built-in rechargeable Li-on Battery 10) Power supply: DC 3.7V 11) O/ S: Wind98 / XP / ME / 2000 / NT