The MoGo Talk Bluetooth headset fits in its iPhone protective case so you always have hands free with you. But it also allows you to pair with up to five devices. So I've tested it with Skype, and as in this movie, even using it for video recording. This movie introduces you to the MoGo Talk headset, which sells with iPhone protective case for about $130.
As a headset for the iPhone, it's fairly impressive. It's only 5mm thick and weighs 9 grams. The iPhone case that it's mounted in doesn't really feel any thicker than the case I was using before, yet the MoGo case contains a BT headset that is always there and ready to go. There's a pop up mini-USB port on the case that allows me to charge the MoGo Talk when I'm charging the phone. I give it some juice every other day. Talk time is between 3-4 hours.
People on the receiving end of my conversations say that they can tell I'm using a headset, but that the sound quality is good. It picks up a little ambient noise. On the receiving end, the ear piece is comfortable (you have a handful to choose from) and the sound is quite good. The MoGo talk adjusts the volume automatically based on environmental noise, but you can override it by adjusting the volume on the iPhone itself.
Overall, I think this is truly an innovative product. And the fact that I can use it for my Skype calls on the computer is a bonus.