Display: 1.5-inch CSTN color screen Memory: 8MB built-in flash memory Digital Photo Frame, Support BMP,JPG format; Multi-Function: Clock, brightness controling, ON/OFF automatically; Image resolution: 128 x 128Pixels Photo storage: avg 70 pictures Power: built-in 3.7V lithium battery or USB 5V supply Control buttons including change photo and slideshow mode Interface: USB 1.1 Play mode: manual / automatic play Dimensions: 65x44x16mm