Using laser sensing technology, it has advanced mouse sensor performance
Special vertical mouse protects your hand from harm caused by overuse of mouse.
Side key design makes it convenient to use to Internet Browser forward/backward.
DPI Adjustment Button with 3-mode (800/1000/1600 DPI)
Suitable for those who frequently use PC
Has wrist tray. Prevents wrist rubbing on surface when moving mouse
System support: windows xp / win7 / vista, mac os x 10
|Dimensions and weight||tem Weight 4.8 ounces
Product Dimensions 5.9 x 3.9 x 3.8 inches
|Package Contents||1 x mouse, 1 x USB receiver, 1x Chinese User Manual, 4x AAA batteries|