Game Controller Paddles Burst Function Sensitive Ergonomic Design Gamepad Back Button for PS4 black.Feature: 1. Multiple Function Keys: The game controller paddle contains 10 function key mappings, which can map up to 10 key functions to enhance your gaming experience. 2. Sensitive: Gamepad back button provides sensitive button feedback, such as O, R1, L1, R2, L2, so that you can complete jumping and sliding actions without loss of any opportunity. 3. Burst Function: Game controller back button