... audio interface 4.OEM wholesale protable bird shape speaker with3.5mm general autio interface , protable speakers with built-in amplifierSpecification:1, It can ... , notebook, iPod, iPhone, MP3, MP4, many kinds of music player, with standard video input plug2, The sound is nice3, 2.0 ... inside the pocket for outdoors.6, USB connecter, can connect with computer and play music.7, Built-in Li battery, the ...