Product specifications:

DPI:500/1000/2000/3000/4000
polling rate:125Hz/250Hz/500Hz/1000Hz
button:6
Max acceleration: 20G
Response time: 1mm/s
connection:USB
plug and play feature
Anti-tangle braided fiber cable
size:133X72X40mm
weight:138(+-5g)
Compatible system: XP/Windows Vista/Wins 7/Wins 8/wins 10/Mac OS

Packing Content:

1 x EMS639 gaming mouse
1 x User Guide