... SD card(4) Support HD 720P MKV,AVI,RM,RMVB,MP4,MOV,VOB,DAT,FLV,3GP,H.246 etc formats , support ... -in Wifi, (7) Support USB-HOST and external U-disk,MP3,MP4,Mouse,etc(8) Support external 3G USB-DONGLE wireless network ... 20KHzSN ratio90dBDistortionless 0.05% Video FunctionPlay formatMKV,AVI,RM,RMVB,MP4,MOV,VOB,DAT,FLV,3GP,etcMax.resolutions supported1280*720Ratio16:9 ...