We need our stuff to work not fail at the worst possible times. Expected better quality from this brand. After less than 2 months of wear, the soles have completely worn out in the toes, and the back of one slipper has a big hole from where the tag attaches. He was an excellent writer, one of my favorites. I also listened to a 7D Virtual Experience video on YouTube and the 3D sound is extremely good. Great quality hanger. I normally love FitFlops but this pair I do not. Das ganze hat für 25 Songs durch den Ballast eine Stunde gedauert. Okay so first of all, Ive read a ton of different comments for this thing. Possibly if you have a lot of other add-ons plugged in such as the radio stack or autopilot there may be a need.