1.support TF, U-disk 2.FM radio 3.earphone function 4.replaceable battery 5.Mini Speaker with unique design This speaker has been put into stylish and economic element, you can own its sharp design while enjoying music.Pure and clear sound takes you into a perfect music world.Mini, portable digital speaker for your convenience, connecting to your MP3,MP4, CD, DVD, iPod, iPhone, GPS, PSP, mobile ...