keyboard Multi-Office Keyboard JIL-1641

Features
High quality optical chip
High accuracy and reliability
PS/2, USB or Combo interface
Driver compatible with Win 95/98/2000/NT/ME/XP
Easy to browse on-line
Comfortable Ergonomically Designed Configuration
The ergonomically designed mouse fits comfortably
in your hands and is suitable for long time operation.

Accurate Optical Orientation
This is best suited for Plane Designing.
The new advanced 2X, 400/800 dpi optical sensor sends 1,500 signals per second to digital processor to determine exact location.

Convenient Roller Button
The roller button can be used for fast browsing up/down, left/right on
the internet and in Windows documents, as well as zooming in Microsoft Office and Internet Explorer.