1000dpi precise orientation; Fast, exact & Smooth move with good performance; Keystroke of 5000, 000 times with clangorous sound & nice touch feeling; Design of somatology engineering science.

One, outstanding value for money
Two ,an advanced technology laser engraving characters, never wear 
Three, mute design, comfortable touch keys 
Four, built with weights, 800CPI precise positioning 
Five, superior quality, reliable and durable

Mouse:
Resolution: 1000
Button life: 5,000,000 times
Working temperature :0-45

System Requirements:
Compatible with Windows95, 98, ME, NT, XP, VISTA operating system and above
Compatible with IBM-PC compatible PS / 2 Password

Big order big discount , please contact with me !