Elecmall Economic Green Mp3 MP4 Player - 16G Micro SD Card included - Music Player Video Player with Voice Record Function Economic Lower Power ,Consumption;Small , Lightweight Design; Electronic album, Support JPG format photo,E-book function, Support txt file, Built in rechargeable battery with up to 6 hours play time You can carry Music, Video, Photos and Files wherever you go Without built-in memory, but ,16G ,Micro SD Card ,included