... MP3 Player USB Disk Micro SD TF Card FM Radio Line In/ Out Sound Box Model NO.: Music Speaker M3FeaturesDigital ... Player USB disk Micro SD TF Card FM Radio Line In/ Out sound boxPackages1xMini Speaker 1x3.5mm Audio cable ... USB disk, FM, etc.Supports Line IN function, receiving the audio source from MP3, MP4, PC, Notebook, for iPod,for iPhone, ... USB Disk Micro SD TF Card FM Radio Line In/ Out Sound Box