Yes I know, its one gadget that everyone will want to have, its like a new iphone concept, unfortunately this phone wont be available to soon on the store shelves because its only a concept. However, Gizmodo informs us that the Pen Phone concept will be developed by an anonymous manufacturer.
The phone uses Bluetooth ear buds for voice calls. It features a little display, the dialing numbers, a microSD card slot and seems to support USB connection. The project looks very promising and I bet they will hit some high numbers when they put this gadget on sale.
you should also read this article about the New iPhone.