This is a neat device that allows you to save what you write or draw by hand to your iPhone or iPad, it uses a cable connected to the 30 pin port but that is no hardship when you know that anything handwritten can easily be saved and sent via email etc, its great for plans and getting signatures too.
These are the features for the aPen A4 for iPad and iPhone;
Introducing the new A4 Smart Pen. Revolutionizing the way you Write! aPen A4 for iPad and iPhone. Write or draw on paper, your handwriting displays on iPad or iPhone screen, real-time! You can sketch, or write on images, JPEG, MS Office applications, Outlook and share with everyone.
Priced at $129.99
Source [Coolest Gadgets]