Game Controller, Rear Button Attachment for SONY PS4 Gamepad Joystick, Rear Extension Button Adapter with Turbo Button. Description: This product is a PS4 controller with paddles, handle, extended button. You can customize the mapping of the button function on the back, support the TURBO burst function, plug and play, and bring users a different gaming experience. Feature: 1. It consists of 14 digital keys (Triangle, round, cross, square, R3, L3, R2, L2, R1, L1, TURBO, SET). 2. Clear cache: Long press the SET button for 5 seconds, the LED changes from flashing to off. 3. Memory function: Insert the handle again and still retain the last programming function. The factory setting has no definition. 4. Turbo function: Press M1/2 and Turbo at the same time, the function button has Turbo continuous launch function. Repeat this step to cancel. Specification: Material: ABS Color: Black Quiescent current: Less than 30A Working current: Less than 15A Power supply mode: EXT Wired connection Working voltage: DC 3.0-3.3V Size: 99.5 X 57mm/3.92 X 2.24 \"