Check at following Merchants
Specifications
ManufacturerKensington
Part #72213
Tracking MethodOptical
Connection TypeWired
Hand OrientationBoth
ColorSilver
Features
DiamondEye optical technology for unmatched acceleration and control
No need to clean moving parts with completely enclosed electronics
Scroll wheel to speed through long documents or Web pages
Comfortable, rounded shape for right- or left-handed users
Guaranteed compatibility with PCs and USB Macs
