Used mouse, good and simple condition with no notable issues. And here are its specifications: The Logitech G502 Proteus Core mouse is considered one of the classic versions that set high standards for gaming mice. Here are its key technical specifications: Basic Technical Specifications . Sensor: PMW3366 optical sensor, known for its high accuracy and excellent responsiveness without any automatic acceleration. • Sensitivity (DPI): Starts from 200 and goes up to 12,000 DPI. You can switch between 5 different levels with the press of a button. • Polling Rate: Up to 1000Hz (1ms response). • Number of Buttons: Features 11 fully programmable buttons via the Logitech application. Design Features • Weight Tuning: Comes with 5 additional weights (each 3.6 grams) that you can distribute in the base of the mouse to change the center of gravity and overall weight according to your comfort. • Dual-Mode Scroll Wheel: A famous feature in this series, allowing you to switch between stepped scrolling (Click-to-click) or infinite scrolling. • Lighting: This (Proteus Core) version features blue lighting only, unlike the Spectrum version which supports multiple colors. • Durability: The main buttons are designed to withstand up to 20 million clicks.