I originally gave this 4 stars, mainly due to the looks and unique style. After wearing it for about a week, and continually being told that my voice sounded muffled, plus the wearing discomfort that I just couldn't get used to, I returned the H9 for a refund today. It is cool looking, but if you use your bluetooth for hours a day as I do, it's just not practical, maybe 2 stars......Original review follows***** I bought this mostly to make one of my co-workers envious, and should do the trick, as this is one of the most unique looking bluetooth headsets on the market. The fact that it picks up your voice through the ear canal is pretty neat, and seems to cut down on ambient noise. The portion that fits in the ear is slightly curved so you may need to rotate the external part to get the best fit. Mine fits best with the "M" facing sideways. My biggest complaint is once you achieve the seal recommended in the instructions, it feels sort of like you have your finger stuck in your ear, but I seem to be getting accustomed to it. All in all, not the most comfortable I've ever used (and I've used a lot), but tolerable, and one of the best performers, and least noticeable.