I own and enjoy them very much.  Mine are a year or so old and the 
model numbering has changed.  Wired with a microphone.
Wearing hearing aids they are a godsend.
Pat, K9JAUAt 04:11 AM 5/17/2013, you wrote:
>Hi All,
>
>Just listened to a Podcast about the open ear bone conducting headphones
>from Aftershokz (note the spelling).  These were designed for the low vision
>wearer, and the concept is to give you a third ear.  The earpieces are worn
>in front of the ears, on the jaw bone, and this means your ears are not
>covered.  This is ideal if you are out and about and using talking
>applications such as GPS, wear hearing aids, and has all sorts of radio
>possibilities.  The wired versions are sold on Amazon, and the Bluetooth
>version is imminent on back order.  The reviews I've read have been mainly
>from sighted sports wearers, so they certainly have mainstream appeal too.
>
>It looks like these were initially designed for smart phones, but I assume
>the wire versions plug into any 3.5mm socket, and I think there are
>Bluetooth interfaces available for rigs.  One of the wired versions also
>comes with a microphone, but I assume this only works for a smart phone.  I
>personally would prefer the Bluetooth version anyway, and it looks to be
>exactly what I'm looking for.
>
>The Amazon reviews seem positive, and the main page for the Bluetooth
>headset is:
>
>http://www.aftershokz.com/AfterShokz-Bluez-Open-Ear-Bluetooth-Headphones-p/a
>s330.htm
>
>The podcast where I learned of the headsets was on Applevis and is number
>310.
>
>I wonder if anyone else has tried these?
>
>Best wishes, Kelvin Marsh - M0AID
>
>Working to improve accessibility for radio amateurs with disabilities
>
>www.active-elements.org
>
>For accessibility evaluations of amateur equipment and MP3 manuals