The Plantronics is a decent headset for the price. I have used 2 Motorola headsets, and after using a Plantronics telephone headset at my office and liking it, I decided to get the Plantronics 510 Bluetooth for my cell. Compared to the Motorola, it sounds better on my end--good volume. Folks on the other end say it sounds better than my Moto--especially in noisy environments, like the car. Very decent battery life--very good, in fact. I like that they include different size foam ear pieces so that you can get it positioned with your ear, just right.Cons: after a couple of hours, it gets a little uncomfortable. And, it doesn't fold up, so it's a little awkward trying to carry it in a pocket. And, why must the light flash?--there's got to be a way to turn off the light--I just haven't looked into it. My Moto is the same way.All in all, a good value.