Left handed? No problem! You can now enjoy our ergonomic vertical mouse design in your LEFT hand!
Adjustable 4 Level DPI Switch (800/1200/1600/2400), Attain higher precision and better accuracy with your choice of 4 DPI levels
Optical sensor technology improves precision and even letsyou work on most glass and leather surfaceswithout a need of mouse pad
Two Internet navigational buttons, back and forward, areconveniently located on the left side of mouse to provide youwith Internet browser control with minimal hand movement