Full Details from Amazon.com : http://www.amazon.com/gp/product/B00L9WFP4E?tag=onigi-20
FOME A-jazz High-end Griffin 8d Wired USB Optical Programmable Pro Gaming Mouse Mice 4000dpi
Ajustable DPI Switch 1000200030004000DPI
User for The high-end players gaming professional players Most suitable for Laptop user and PC user
Optical technology works on most surfaces
Intelligent connectivity no need to code plug play