Applications: Apply to PC, mobile phone ,MP3, MP4 and FM radio etc. Frequence response: 150Hz-18KHz ... ,singing or songs at any time 9,One of the speakers can make you enjoy music by optional. Whale shape USB ... from Micro SD,U-disk,support MP3 formatApply to PC, mobile phone ,MP3, MP4 and other audio sourceSupports FM radio function Rated ...