The only difference being that it was wired, and about 100$ odd less than the Ultimate! Comfort is okay, you can replace the rubber caps with more comfortable from the dollar store, but everything is pretty decent for the price. Comme on le voit sur la photo, elles ne bénéficient pas de la semelle spécifique à bascule MBT. Buttons on the base allow for RGB settings/changes. Lets be honest, shure has been an industry standard brand when it comes to live audio and for me, make some of the best wireless in ear systems on the market. I bought a 9 for my last pair because that was my only option. sturdy and durable. Another obvious difference I noticed was the metal of the Aux end of the ear buds were darker than my legit ones. But then Im not listening to opera on the London underground, so your needs may vary. Plenty loud enough for backyard gatherings, BBQs, indoor dance parties, beach, river tubing, etc.