quality that bad on the other end?

not from what I have heard. I use mine everyday and people say I sound fine.

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LAK
Sprint 6800/Mogul
6700, 6600

I agree, I have heard people say they didn't know I was on a headset . . it is just so dang BIG and heavy.

No complaints at all. It has great reception both ways. The only complaint I have is that my ears are a little big and it has a tendency to make my ear bend out a little. Other than that, I really like the BT800.

does it hurt the ears?

I'm okay for about an hour and then I change ears. Alot of the time I keep it in my shirt pocket and check caller ID when I get a call, then press the answer button and tell whoever's calling to hang on for a second if I don't get it on quick enough. I am getting better with it, but it answers so quickly as soon as you push the answer button that I am having to hold the speaker to my ear as I slip the hook around my ear, and talk at the same time.