I got these because I started a new job where I work from home and will be on the phone a lot. Have been using these for about 2 weeks now and they are very comfortable. I have been surprised at how comfortable these are after wearing them for most of the day, and the clarity you get. The folks on the other side of my calls have no issues on hearing me. I would agree that on first blush, they don't look very solid since its mostly plastic (trade-off for weight), the reception and voice quality are very good. As long as you don't abuse them, they should last a while and the price is very reasonable. I use these with my Blackberry 8330 and Panasonic KX-TGA931T cordless phone without any problems. Per other reviews, the volume control has very limited range, but I can use those on my BB or phone. The mute feature works and is convenient on the cord. Overall, great value. I hope to get at least one year of service from these. Have not tried the over the ear feature, but I prefer the cushioned padded ear piece.