Well built, easy to use, powerful, autonomous and ultimately more beautiful in reality than in the picture, here is a nice partner for my iPhone. The sound could gain clarity but it is already very good and the use of the equalizer on the app "iPod" iPhone allows to complete the only possible setting of Logitech, one volume. This much cheaper than the competition object has a remarkable finish with rubber feet and a removable base itself firmly in a rubber clip to prevent unwanted vibrations (unlike a comment posted by Amazon saying "hind leg to maintain the right device is very stable ")