Back Extension Wireless Button Gamepad Rear Key

The back extension button is suitable for PS4 game controller. It has key mapping, display screen, 3.5mm earphone jack, 10-gear continuous send and 300-gear automatically continuous send. Plug and play, it brings you fluent playing experience, supporting all PS4 games. 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. Specifications: Material: ABS Color: Black Package Weight: 68.6g / 2.42ounces Package Size: 130 * 90 * 60mm / 5.12 * 3.54 * 2.36in Packing List: 1 * Back Extension Button