Advanced antique Embedded System

What is this? In summary, it is a complete windows, including an editable office suite. The original windows can also be so "slim", the system only needs two AA battery power supply, 16 MB memory can run... =! It seems that the viewer is more interested in The devices shown in the figure. A brief introduction is given below:
Velo is a Windows 500 velo handheld computer developed by Philips based on the English Windows ce2.0. It features NIMH rechargeable battery, slots, 16 MB memory, expansion slots, 16-level grayscale backlight display, and no direction microphone, built-in 288kbps modem, Which is pre-installed with third-party software such as allpen mobile forms database, bsquare bfax professional, and microburst virtual courier Personal Edition (profile)
You can edit a document file on a desktop, such as Word.

The Windows version is Windows CE 2.0, which was released on July 15, November 1997 and after Windows 95. Ce 2.0 supports color, but there are no multimedia (dynamic video) and GSM wireless communication functions yet, but those who want to use these functions must be in the minority :)