Controller Introduction: The Microsoft Xbox Elite Series 2 controller is considered the top-tier category, designed for professional gamers and lovers of competitive games. It is designed to offer the highest levels of customization and performance. ———— Key Features and Technologies Full Physical Customization: The ability to swap thumbsticks, paddles, and D-pad with different shapes and sizes to suit your playstyle. Thumb Tension Adjustment: The ability to adjust the resistance and stiffness of the thumbsticks using a special built-in tool. Hair Trigger Locks: Reduce the travel distance of the LT and RT buttons for faster firing in first-person shooter (FPS) games. Powerful Internal Battery: Lasts up to 40 hours of continuous gameplay per charge, with a magnetic charging base inside the carrying case. For your information, I only used the controller once.