... ,MMC,MS card and USB easy to move 42inch digital signagepanel size :42inch real color LCD screenaspect ratio : 16:9panel life : ... :1responsice time : 8msbuilt-in two stereo speakerssupport CF,SD,MMC,MS card number of color :16.7Mtwo piece of keys availableproduct features:1 ... /MPEG2 MP3,WMA, AAC, PCM3. playing media: flash memory card: CF,SD, MMC,MS card and USBUSB: high speed USB 2.0 (host)applicable ...