_UD]HU
4.DEVICELAYOUT
A. Leftmousebutton
B. Rightmousebutton
C. Scrollwheel
D. Mousebutton5
E. Mousebutton4
F. Sensitivitystageup
G. Sensitivitystagedown
H. Ultraslickmousefeet
I. 100、4200、8200DPI4Glasersensor
J. Poweron/offswitch
K. USBcable