... AUX-out&audio-in function--- Support Mp3, MP4 mobile phone and PC---Built-in Li-ion battery---Multi Function---Button:Volume ... Compatible with iPod, iPhone, iPod, smart phones, MP3/MP4 players and other audio devices equipped with a 3.5mm audio jack ... -----Available color:Red,blue,yellow,black,white,silver. -----Mp3 player function, support Mp3, WMA music format.-----Card reader function-----Support ...