SHARKK&reg; Wired Gaming Mouse With Programmable Buttons And Customizable Weight Tuning Cartridges High Precision Optical Gaming Mouse With Adjustable DPI Up To 3500 ERGONOMIC GAMING DESIGN on this gaming mouse includes low-friction Teflon feet and anti-tangle braided cable THE TOP RATED GAMING MOUSE IN ITS RANGE Capable of up to 1000 Hz polling rate and up to 3500 DPI BUILT FOR THE PRO GAMER AND BEGINNER ALIKE this gaming mouse features 7 programmable buttons, unlimited macro configurations and 2 stored profiles (Not compatible with MAC) Choice of 6 LED color options for the ultimate gaming experience Package includes: Gaming Mouse, Software CD, User manual, 8x Weight tuning cartridges