Excerpt: I was lucky that I got plenty of iphone accessories as complimentary extras for my purchase of a used iphone 3g. I bought my iphone from ebay and the former owner doled out everything the phone came with.
Summary: This is the best blue tooth I have ever used. Most of the blue tooth I have used in the past hurt my ears after about an hour of wear but this one is very comfortable after hours of wear. It is very clear with no static. I highly recommend the Sound ID 510. I don't have any con to tell you about.
Summary: I have had 5 different headsets for 3 different phones and this is, without a doubt the best headset. I have used it with 3 different phones and have had no problems. Great sound quality, easy pairing, easy use and a very compact design. What else could you want?
Summary: If you're considering a Sound ID 510 or any of the Jawbone headsets, avoid Jawbone (build quality and support are wretched) and buy the Sound ID - but beware of what you're getting. Starting at 5 possible stars, I had to dock them a star for the annoying set up. You'll need to download a firmware upgrade before you can use the 510, and on my 2011 top of the line iMac, that meant a reboot, auto disabling the bluetooth, which in turn meant digging for a wired mouse to...
Pros: Sound quality, battery life, fit
Cons: Annoying set up, much hyped Ear Print app is more hokey than useful, headset locator could be a lot better and deserves to be.