They work pretty good!

I had been wanting some headphones to use with my Treo 650 so I could listen to mp3s. After reading all the reviews of the other bluetooth headphones, it seemed as though these were the obvious choice for quality and sturdiness as well as compatibility.
I have used these both with my treo and with my laptop, and I find that they do much better with the laptop because the treo is not the best bluetooth phone out there. I can get about 10 feet from the treo before the crackling begins. When using them with my laptop, I can get a good 25-30 feet away! The controls take a little getting used to--but they work. They are one size fits all, and so my head must be a little smaller than the average, because I have room in the back. I must say that they are a little geeky looking, and even for a geek (myself) I feel a bit funny going out in public with them on. My wife makes fun of me for them! Oh well, the high price of being a geek. If it were possible for them to be a little less obvious, that would be nic. Sound is excellent--volume is good.
Battery life is surprisingly long. I don't think I have ever had it run out in the middle of using it.