... sound will make your friends wonder where the speakers are. And with its long battery life,the music keeps playing long ... iPhone speakerphone on conference calls.Features:· Incredible volume and clarity: Provides full-spectrum sound without distortion for any style of music.· ... iPad, iPad 2, iPhone, iPhone 3G, iPhone 3GS, iPhone 4 and iPod (Touch, Classic, Nano, Video, Photo, iPod with color display ...