What Bluetooth should i get for my iPhone?

I bought a Plantronics M155 Bluetooth Headset from Walmart. I love the way it looks but i read online and also experienced that the microphone on it isn't the best and people on the other end can't hear me very well if at all. I like its features also, but i don't want to pay $50 for a bluetooth that people can't hear me talking through. That is my price range, up to $60-$65 max. I'm looking for one that is sleek looking like this, has nice features and has a louder volume than this so i can hear in noisy areas, but i'm also looking for one that has great microphones and noise cancellation so that people can hear me. This is my first bluetooth so i'm looking for opinions from people who have actually used and know a lot about them! Thanks in advance! Your opinions are appreciated! Also if you guys don't know of anything els is this one worth keeping or should i return it. If possible i would prefer to shop in stores rather than a little bit cheeper online because then i can return easier if any problems persist. Thanks again,
Bryan

Added (1). Also i wanted to add that i picked this bluetooth because it fits in your ear like an earbud without haveing a plastic piece that goes up over your ear to hold it on. That plastic clip is removable and i like that because i don't want a visible clip i like the in the ear earbud style

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