A-jazz&reg; 4000dpi Adjustable Green Hornet 2015 / High Precision Gaming Mouse with 4000 Dpi, 6 Programmable Buttons, Omron Micro Switches, Stored Profiles - Avago A3050 Ic Chipset / 16 Million Colors Smart Led / Bottom Mat , Custom Programming [Black] Product Features: 1.Avago A3050 Ic Chipset / 16 Million Colors Smart Led 2.Ergonomically designed, long-term use without fatigue,Intelligent connectivity, no need to code, plug & play. 3.The Max DPI: 4000DPI /USB Port: USB1.1/2.0/3.0 4.stored profiles.