Sony Original OEM In-The-Ear Headset Headphones for iPhone, Blackberry, Droid, Palm, Nexus One

The headphones plug in is the correct size, but when you plug it into the mic extension, the end of the mic cord is a lot smaller so it doesn't plug in anymore. It is silly really. Why have 2 different sizes?

Several things are misleading about this product. For one, it is called a headset headphones, and specifically lists only phones (iPhone, Nexus one, BB, Palm) These are merely headphones - no microphone. Second, the "extension" that comes with it...