Looking for something to plug my iPhone into to act as an external speakerphone and mic so I can have good conference calls without using the iPhones speaker or mic.

So far I found a few so let me know if there are others out there and which ones are the best!

KEE STORE - model description

Native Union Moshi Moshi 03

http://www.amazon.com/Cobra-PhoneLyn.../dp/B0043D2IBE

http://www.google.com/products/catal...d=0CJMBEPMCMAM


Looking forward to your responses