1. Wireless, Portable, Mini 2. connected with MP3, MP4,CD, DVD, iPod, iPhone, GPS, PSP, mobile phone 3. charging speaker multi-function ... with integral stereo music, can be connected with MP3, MP4,CD, DVD, iPod, iPhone, GPS, PSP, mobile phone and Computer.Product Features ... and 4G for option.6. Easy to connect computer, MP3 / MP4, iPod, PSP, CD, mobile phones and other stereo audio devices access7 ...