I bought this because I have two loud cars and people have a hard time hearing me when I use my cell phone in the car. The noise cancelation is excellent. My Dad couldn't tell I was driving when I called him using the jawbone. On the other hand, I find the volume a bit low and sometimes have trouble hearing the other party. I also spent a good bit of time bending and adjusting the earpiece to fit comfortably. Overall I am pleased but wish it were louder.