MP4 watch,support MP4 format,5 hourscontinue playing video 1.5???65K OLED true color screen,highresolution 128*128 pixel image Showing time and date,style isoutstanding Support MP3,WMA and WAV format,12 hours continueplaying music Support FM and outside sound spearker High-qualitydigital record,song circulation function and support severallanguages 6 preset EQ mode Support text read Support JPG,BMP format,and showing picture and lyric Firmware upgradeable