1.Portable bird shape speaker 2.High efficiency,low power consumption ... with built-in amplifierSpecification:1, It can support computer, notebook, iPod, iPhone, MP3, MP4, many kinds of music player, ... with standard video input plug2, The sound is nice3, 2.0 Speaker, ABS material4 ... can connect with computer and play music.7, Built-in Li battery, the battery can be used for ...