... MP4 1.Support FM,Game,video,picture,e-book... 2.Multi-language OEM/ODM parameter soap MP4support Movie , Music , Record , E-book ... speedSupport music speed changeMusic repeatone , all, A-B , random , shuffle, and preview;Repeat settingMoviesupport AVIRecordBuilt-in microphone recordingVoiceRecord playingFMBuilt-in FM Radio function ... Manual.5. 1 x Headphone. Soap MP4 CP-1813 MP4 music player