Applications: Apply to PC, mobile phone ,MP3, MP4 and FM radio etc. Frequence ... elegant and lovely,enjoy the adornment and music2,TF card, U disk, MP3compatible with widely read3,Surging bass, ... life uninterrupted,singing or songs at any time9,One of the speakers can make you enjoy music ... Micro SD,U-disk,support MP3 formatApply to PC, mobile phone ,MP3, MP4 and other audio sourceSupports FM radio ...