... 3.Built-in WIFI HD Disc/ DVD Blu ray Media Player Picture / DisplayAspect Ratio: 21:9, 16:9, 4:3Picture enhancement ... Drive, BD-ROM, Video CD / SVCDHard disk, U disk media player: BD source disk, ISO, MKV, TS, M2TS, RM, RMVB, MOV ... touch play pause, one-button stand-Child Protection: Child LockOSD Language: Simplified Chinese, EnglishBD-Live (512M Internal Memory): YesFirmware upgradeable: Firmware ...