PERSONALLY-TUNED PEFORMANCE Fine tune Proteus Core to your playing surface for better accuracy, precision and responsiveness. A quick tuning process, and you are battle ready. G502 Proteus Core is pre-tuned for Logitech gaming mouse pads, G240 and G440. Add a mouse pad for extreme accuracy.

CONTROL THE WEIGHT AND BALANCE Customize the gaming mouse to the weight and balance that feels good to you. Proteus Core comes with five 3.6g weights. Add some or all, and arrange their positions for a mouse tailored to you.

11 PROGRAMMABLE BUTTONS You have go-to game commands and macros. Program each of the 11 buttons with your favorites. Save your setting to one of the onboard profiles. Or, select from thousands of profiles on your PC.

IN-GAME DPI SHIFTING Proteus Core helps you be an unstoppable force in low or high DPI. Shift through five DPI settings, from headshot-precise 200 DPI targeting to lightning-fast 12,000 DPI maneuvers

GAMING-GRADE DUAL-MODE, HYPER-FAST SCROLL WHEEL You decide the mode with Proteus Core. Choose whether you want click-to-click precision or hyper-fast scrolling.

Additional Features Most accurate sensor on the market 32-bit microcontroller 3 on-board profiles 1 millisecond report rate Primary buttons rated to 20 million clicks Mechanical microswitches Improved keyplate design for better click feeling and performance Braided cable with hook and loop cable tie Sleep mode disabled 3 DPI indicator LEDs Rubber grips Magnetic weight-cavity door Package contents Mouse Tuning weights and weight case User documentation

Warranty Information 3-year Limited hardware warranty

System Requirements Windows? 8, Windows 8.1, Windows 7 or Windows Vista? Powered USB port Internet connection and 100MB hard drive space (for optional software download)