Back Extension Button Gamepad Rear Key Display Screen Continuous Send for PS4 Game Controller

Features:
Key mapping, customize personalized button configuration.
Front high-definition display screen, no need to flip handle to set, more simple operation.
3.5mm stereo earphone jack, clear communicate with your gaming partners.
Simplify handle ipsilateral operation, release your fingers.
Customized 10-gear continuous send and 300-gear automatically continuous send.
Plug and play, without complicated operations.
Suitable for PS4 game controller.