Amazon.com : Livescribe Echo & Sky Ink Refills, Black, Medium Point, 5 Pack : Office Products
Livescribe Echo Smartpen Student Manual
Best Buy: Livescribe Echo smartpen Black APX-00008
Livescribe 370451 2GB Echo Smartpen with Sky and Echo Ink Cartridge Refills 4 Black Med, 1 Red Fine - (5-Pack) and Deluxe Carrying Case / Dictation / Dictation Accessories - YBSales.com
Livescribe Echo Smartpen - a pen that can write, record, and play piano. Huh, what?