This item comes in the Environmental protection package without the original retail box.

Genuine New Microsoft Intellimouse Optical IO 1.1.

Good Seller,With High Quality and trustworthy,there will be no defect!!!!!

1.Optical Technology

Navigate with better speed, accuracy and reliability—the optical sensor tracks movement on nearly any surface without the hassle of clogged mouse parts.

2. Comfortable in Either Hand

Use your mouse with your left or right hand—ambidextrous design makes it comfortable either way.

3.Ergonomic Design

Point and click in comfort—ergonomic design helps you work longer without discomfort.

4.Color : White and Black

5.Weight: 140g 

6.Computer/Operating System: 

   Windows? 7, Windows Vista?, Windows? XP, or Windows 2000 SP4 or higher