This product is a PS4 Controller 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. WIRELESS DESIGN: No data line is needed, just plug and play, and do some simple settings. BROAD COMPATIBILITY & SIMPLE OPERATION: This product is a PS4 Controller Paddles handle extended button. After testing, the PS4 controller paddles is compatible with 100%of the controller for original SONY PS4 on the market; Part of the customized controllers maybe not applicable. MEMORY FUNCTION: Insert the handle again and still retain the last programming function, the thoughtful design makes it more convenient for you to play games. Clear Cache: Long press the SET button for 5 seconds, the LED changes from blinking to off. BURST FUNCTION: After mapping the target buttons to "M1 or M2", press "Turbo +M1 or M2" at the same time, "M1 or M2" will get the burst function, repeating it will cancel the function. 10-KEY SETTING: The paddles can map countless combinations of buttons at any time, allowing you to play with more freedom and competitiveness. 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: R3L3R2L2R1L1) 3.When the target button is flashing, press the SET button,finish setting. If you have any questions, please contact us and we will give you a satisfactory answer within 24 hours.