The original device was announced in the United States in October 2008.

T9 Text Input jetBook uses the advanced T9 text input method that refers back to its pre-installed dictionaries to complete words as you type them (similar to the alphanumeric keypad on cell phones).

The Jetbooks uses a file naming convention of Author_Name#Title_of_Book.txt in order to list/sort the books by either author or title.

In the latest firmware with DRM support was Foxit reader replaced by Contains Reader Mobile 9.1.1 from Adobe Systems that supports text reflow.

Announced in the United States in January 2010, it differs from the original ECTACO jetBook: Introduced in August 2010, main technical differences include: Features: