Battery life is around 3 hours or less. Could Be Better* Comfort is subjective, and I would say that it is "OK" at best* Would have preferred a binaural style headset for better comfort* The location of the controls on the wire could be better. Got online and looked up their warranty information, and heres the deal. I bought this bench for my home workouts. The first rack had threads on the end of the pipe that would not screw all the way into the coupling. To be honest, I dont think the shoes are any smaller than others,. Modern. Was easy to put on my wall and is very nice looking. I love the look of this case but the case does not function well. SOUND QUALITYTechnically you can use this to listen to music, but it is not made for that.