1. Wireless, Portable, Mini 2. connected with MP3, MP4,CD, DVD, iPod, iPhone, GPS, PSP, mobile ... audio box with integral stereo music, can be connected with MP3, MP4,CD, DVD, iPod, iPhone, GPS, PSP, ... function docking speaker for iPod/iPhone,2. Built-in MP3 module to play music from SD/MMC/TF card and ... 3G and 4G for option.6. Easy to connect computer, MP3 / MP4, iPod, PSP, CD, mobile phones and other ...