works great. only a few months old.
specs:
*Wired gaming mouse is 8x faster than a standard mice, meaning when moved or clicked, the on-screen response is near-instantaneous
*Advanced gaming mouse sensor is precise and consistent, giving you quicker responses and more accurate targeting so you can start aiming your mouse cursor by feel, not just by sight
*The advanced button tensioning enhances the consistency of the left/right mouse buttons and reduces the force needed to click, providing you with competition-level performance and excellent click feel
*Lightweight, contoured body, fits your hand perfectly for long-lasting comfort during extended gaming sessions
*Rubber grips on the left and right sides give you added control
*Included 10g removable weight gives you options for tuning the mouse exactly to your needs
*Six programmable buttons let you bind custom commands to the mouse itself
*Onboard memory lets you save your preferences directly to the mouse without the need to install custom software or reconfigure your settings
*Customizable with up to 16.8 million colors, perfect for personalizing your setup, or sporting your team or your favorite team's colour
*On-the-fly DPI shifting lets you program and switch between up to 5 sensitivity settings, from pixel-precise targeting (200 DPI) for sniping, to lightning-fast maneuvers (up to 12000 DPI) for fast 180-degree turns