... 1920 * 1080 )13.Support USB play , hot swappable , content updates easily and quickly14.MPG, MPG -1 , MPG - 2 , MPG - 4 ... channel, stereo18.OSD language : support for Chinese , English and other language19.Support Chinese , English rolling subtitles . Plug-in ... one panel buttons21.Brightness and high -definition picture quality22.Support USB direct program updates and upgrades 55 inch supermarket ...