... is card reader, it is a digital ablum, it is also a audio speakerProduct main functionAs a karaokeSupport the ... as PC, Nb, MP3 player, Mobile etc.Digital time,Calendar and clock functionsCard readerMaximum supports 16GBAlarm clock ... MP3, WMA, WAV, Karaoke Supported formats, MP3(audio sample level 44KHz) plus the LRC Lynics synchronous format, ... With MP3 MP4 TF Card Reader Digital Album Audio Speaker