The 10-calendar year-aged, unique T1 open up-back again headphones are a little something of the touchstone for us so far as top quality headphones go. The main adjust in between this 3rd-technology product and its predecessor is that the new pair is simpler to travel for laptops and cell units. http://newearbuds97520.tribunablog.com/new-ear-buds-things-to-know-before-you-buy-21529641