Also, you can walk to the kitchen or another room and they stay connected. 5mm jack so I need to keep that in the case as well as a micro USB cable for charging. I added a pic for you all. Sodium Laureth Sulfate, sometimes known as SLES, is of bigger concern. After wearing these Crocs for one day my feet were in more pain than ever and I thought, it must just be the cumulation of the weeks work. Cons-- It looks way too simple. I researched them, and watched videos on most. These definitely have better bass response than previous models in the line, and they are by far the best sounding in the K/Q 7xx series IMO. Battery time is great as well. No complaint here.