Etekcity Scroll 6E 4000 DPI Wired USB Optical Gaming Computer Mouse with 6 Programmable Buttons,Omron Micro Switches (Certified Refurbished) This Certified Refurbished product is tested & certified by Etekcity to look and work like-new. The product includes all original accessories, and is backed by a 90-day warranty High-resolution sensor with up to 4000DPI sensitivity and 1000Hz polling rate 5 easily selectable sensitivity levels, indicated by the LED color of the mouse Omron button switches for responsive, reliable tactile click feedback Durable braided, gold-plated cable and high-grip surfaces to improve control.This software is only compatible with Windows. Mac can only be used as a normal mouse