Props for including the 1st set of batts tho. I gave them the headphones, and played them the two clips that I thought sounded different. Ordered a smaller size My knee while it ached, was not in the pain it normally is in. I am female, 55" 170 lbs and not lifting more than 20 pound hand weights, so take that as you will! I figured it was a fluke (and I really love the headset! It just came in and im disappointed! Tried 5 different speakers and none of them played any sound. I removed all bluetooth connections and have no extraneous sources of interference. Why spend the money when they wont even last a summer? I can just buy less expensive oneC?est original mais ça ne vaut pas une vrai barre.