I have had this headset for about two months now, and it is one of the worst for me. This is my fifth bluetooth headset, but it will probably be replaced soon.I had a very hard time getting this to fit. Despite the 3 sizes of earbuds, none of them fit. Actually there is only one size (diameter) of earbud, with either a long "horn", short horn, or no horn. If the ear buds do not fit snugly in your ear - give up on wearing this headset. The only was I could get it to fit was to use eargels (slightly larger) from a Jabra headset.The earloop is supposed to help, but it is spring-loaded. It pushes the headset away from your head, not drawing it closer to your ear. This might work, if the earbud "horn" was engaged. But due to the very large shape of the headset, it tends to rotate and the horn disengages on my ear.Currently I can wear it, but I must shove it back into my ear every few minutes. With the all of the supplied earbuds, I cannot turn my head sharply without it flying out. The one benefit of the ear loop is that you don't drop the Jawbone when it falls out of your ear. But if the earbuds work for you, the fit may be fine - so see if you can try it before you buy...The sound quality is good on my side - I can hear the calls fine. But the noise suppression does not seem to work as advertised. When I am in the car with my children, everyone on the other end can hear my kids perfectly. In fact - even I can hear them as the echo through the call. The callers can hear the baristas when I am Starbucks, and road noise, as well. As far as I can tell - this provides no benefits over any other headset (Moto HS810, Jabra 200 and 250, Cardo Scala 500).But worse than it's failure to provide ambient noise reduction is the poor performance in wind. Because it is a HUGE headset, it sticks out far from your face. This means that even light winds cause big problems. A 5-10 MPH breeze is enough to completely disable this headset - I can't use it outside in a cafe if there is a slight breeze - not only do the callers not hear me - I can't hear anything but the wind noise. I bought this, hoping to use it in my convertible Miata, but this is not even a remote possibility due to the wind in the cabin.Oh, and the ear loop rattles. When you walk, you hear a clack-clack-clack - it is the loose springy attachment of the ear loop.The buttons are a royal pain to press - requires holding it with two or three fingers and pressing with another. Getting it on (after adjusting the earloop to work as well as possible), is a two handed experience due to the floppy rubber below the metal loop itself. I sometimes can get it on one-handed, but this takes between 20 seconds and 2 minutes - so putting this on in a moving car is not a possibility.And never before have I been told that I am wearing an ugly appendage. This has happenned many times now, but never with my other headsets.