1、Paddles handle extended button, you can customize the mapping of the button function on the back. 2、Precise technology, the keys are not easy to fall off, provide comfortable using experience. 3、Support for TURBO burst function, plug and play, and bring users a different gaming experience. 4、The accessories are designed according to the gamepad, which is more compatible, fit for PS4 controller. 5、Adopt high quality ABS material, firm and durable, longer service life. Item Type: Controller Paddles Material: ABS Color: As shown in the picture Function: 1.It is a back button for PS4 controller. Paddles handle extended button, you can customize the mapping of the button function on the back. 2.Support the TURBO burst function, plug and play, and bring users a different gaming experience. Function Setting: 1.Long press the SET button for 2 seconds,X light flashes quickly. 2.Press the M1 or M2 (Press once to switch once ), lights flashing slowly in sequence (Flashing Sequence: x→〇→Δ→□→R3→L3→R2→L2→R1→L1) 3.When the target button is flashing, press the SET button,finish setting. Clear Cache : Long press the SET button for 5 seconds, the LED changes from blinking to off. Memory Function: Insert the handle again and still retain the last programming function. Turbo function : Press the M1/2 and Turbo at the same time, the function key has Turbo continuous launching function. Repeat this step to cancel. 1 x Controller Paddles 1 x Instruction Manual