When you plug this item into the book port, then you can use a blue tooth head set, right? Any kind of bluetooth head set, or does it have to be a certain kind. I was going to get a bluetooth earpiece for my cell phone, so will that do? Cathy and Pilot Dog Deena, and Retired guide, Copper, both golden retrievers, Kindness is the language which the deaf can hear and the blind can see. ~Mark Twain