1,ABS plastic shell 2, 5 buttons: PLAY / PAUSE, PREV., NEXT, MODE (display mode switch), Brightness / contrast adjustment, language selection, slide time settings 3, support for holding Format: JPEG / BMP / GIF 4, Display: 3.5 inch, screen resolution: 320 × 240 TFT screen 5, support image slide loop 6, adjustable the speed of slide shows 7, power supply: 5V external USB power supply 8, with clock and calendar functions 9 can be set up function 10, support (SD / MMC / MS) 10, built-in FLASH 16MB (32MB optional)