ECHTPower(TM) Ergonomic Design 6D 4000 DPI LED Optical USB Wired Professional Gaming Mouse, 6 Buttons with 3D Scrolling Wheel, 6 DPI Macro Programmable Levels for Pro Game Notebook, PC, Laptop Super wear resistance Teflon Mat, can joint with the mouse pad better,move smoothly and positioning accuracy Ergonomics engineering principle design- It gives gamers the most comfortable gaming experience ever, especially during the most testing of battles 6 Programmable Buttons with Scrolling Wheel, Take Control of Your Games- Use the software to assign programmable features to the Precision Aim button, and then use it to execute commands like macros and keybindings - - a deadly weapon that will hit your enemy exactly where it hurts the most The DPI LED color light will be constantly changed after set up In the fierce battle for a long time to bring you the best comfort, stronger sustained operational ability, invincible