... 3.5 inch digital photo frame Built-in lithium batteries,Picture,music,movies,photo+background music,electronic bookcalendar,clo 3.5 inch digital photo frame1.ProcessorNXP LPC2103+Solomon SSD19282.Screen: 3.5 inch ... and the slideshow gap are adjustable. 7.5 buttonsMENU,NEXT,PREV,SET,POWER 8.User-friendly & easy operation. ... ,txt electronic book,calendar,clock,alarm. 3.5 inch digital photo frame