Extra Bumpers for Faster Control - The mappable fast bumpers, R4 and L4 buttons, are designed for personalized configuration to help you react faster in games with no software needed and has a turbo function button as well. Refined Bumpers and D-pad - Re-calibrated for a clicky but smooth feel. Light yet tactile. Immersive Controls - Impulse triggers with enhanced gripping and rumble vibration.