... AUX IN, it can compatible with MP3, MP4, CD player and PC, etc.3, With FM radio function, frequency ... , It is convenient for your travel ,portable, super slim and mini size, easy to carry7, Material: Pure ABS ... AUX IN, it can compatible with MP3, MP4, CD player and PC, etc.3, With FM radio function, ... , It is convenient for your travel ,portable, super slim and mini size, easy to carry7, Material: Pure ...