Lecmal Economic MP4 Player with 16GB Micro SD Card (Black) Economic Lower Power ,Consumption;Small , Lightweight Design; Electronic album, Supported Audio/Video Formats: MP3, AMV 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