It seems simple but most of the units on amazon don?t do the second and that?s annoying. Reef Leather Slap ll - (Mens 9) Oddly, this sandal was a full size shorter than any other Reefs I tried, (A full 1/2 inch), so order up. Once attached, the racks are solid. Another major drawback is it only connects with one earbud in this case its the right earbud only if I try to use just the left it will not connect unless manually pair it, then when both are used the do nd is very low as both connect separate to the phone. Only small complaint is it does block the camera if you want to take a pic or video of whats ahead. Tried them myself as I wear a 10, and I could barely get them on. The only other lens I have is the kit lens, and at F2. First these are a great price point, for about $20 you get a comfortable pair of head phones. Were both avid weight lifters and its an unfortunate fact the even with original run bluetooth head phones the wires obstruct specific exercises (squats and cleans in particular). Everything works Great