Features:
High-precision optical sensor design, mouse ball is not required
Programmable button make it easier for surfing the web or reading documents
3D scrolling in all Windows 98/ 2000/ ME/ XP Macintosh OSX
Optical Technology: Optical
Button: 3
Scroll Wheel: Yes
Interface: USB
Cable Length: 1.8 m
Color: Silver / Black
Package Dimension: 9 x 4 x 13.5 cm
