Deluxe ergonomics design to comfortable hand touch..
Button life: Over 3.000.000 times
Fit for your left hand and right hand, Zoom in and zoom out function, working on any surface except glass
1000DPI (3000 frames/sec)
High-quality membrane key switch
Black & Black / Silver
10 Hot keys for easily accessing
Keystroke lifetime: over 10.000.000 cycle