... Memory Card: SD, MS, MMC, as three in one card and USB interface: 2.0 6) USB ... reverse play, Zoom in/ out.9) Adjustable slideshow delay interval (Slow, normal, fast.)10) Built-in stereo speakers and earphone ... jack 11) Built RTC, Clock , Alarm Clock, Calendar12) With the switch on/of the blue ... ) 15) Solution:cheertek 10.4-inch Digital Photo frame with TFT screen