* Comfortable Design for Either Hand
Fits the shape of your hand for maximum support and comfort
* Advanced Scroll Wheel
Super quiet scroll wheel for smooth document/web previews
* System Requirements:
o IBM or PC Compatible
o PS/2 Port
o Windows 95/98/ME/NT 4.0/2000/XP
* Package Contents:
o Scroll Mouse
o Instruction Booklet
* Size: 2.4""(W) x 4.5""(H) x 1.1""(D)