Problem 1 solved. It sets up so easy, The app is pretty good for dialing in sound. Some say they weigh a lot, but they arent cheap as_ plastic and feel like quality to me. The packaging was a mess. I absolutely love these and recommend them. In my case, I wear a wide shoe, and Crocs are available only in Medium. Amazon needs to baby sit their sellers on returns /Refunds , not AMAZON CUSTOMERS! I was skeptically about buying this after reading some of the reviews but I love it. Excellent replacement cord, arguably more wellMade than the OEM cord. Hinter “Videos” verbirgt sich nämlich leider nur ein einziges Video und das auch noch in mittelmäßiger Qualität und eher einem “Cool, guck mal was die Maus alles kann”-Werbefilm gleichend.