... speaker,E-book,time display,calendar JXD 991 brand name mp4 digital playerFEATURESDESCRIPTION Design Body Piano baking , pearl ... for audio play Mobile TV Does not support Audio Format MP3,WMA,WAV,AAC, FLAC,APE Mode Normal, Rock, ... USB2.0 slot, support up to 8 GB TF Card memery expansion Battery Build in Li-battery, audio output ... hours, video output for 5 hours(earphone) brand name mp4 digital player