Features: 1. Includes two trigger types; choose your preference. Install the trigger onto the rear clamp, align the trigger screw with the screw hole, and rotate clockwise to lock. 2. The rear clamp is compatible with Xbox One, Xbox One S/X, and Xbox Series S/X controllers. Attach the rear clamp with the installed trigger to the back of the controller. For Xbox One S/X controllers, use the included silicone pad for enhanced durability. 3. Insert the Micro end of the provided short data cable into the Micro port on the rear clamp and connect the other end to the controller's charging port. Two short data cables are included: Micro-to-Micro and Micro-to-Type-C, for compatibility with Xbox One, Xbox One S/X (Micro-to-Micro), and Xbox Series S/X (Micro-to-Type-C) controllers. 4. Insert the matching USB-to-Type-C long data cable's Type-C male end into the rear clamp's Type-C port and the USB male end into the host for connection. Connect to use. 5. Rear Clamp Button Setup Instructions: Custom Key Functions: The product has 4 customizable buttons, with default values set to up/down/left/right directional pad functions. Press and hold the SET button for 3 seconds; the LED indicator will blink, indicating setup mode. Press and hold the desired controller button, then press the corresponding custom button on the rear clamp. Repeat for other buttons (excluding the control stick). Once finished, press the SET button again; the LED will turn off, and the custom key functions are active. Cancel Custom Key Function: Press and hold the SET button for 3 seconds. Press one or more custom buttons, then press the SET button. The LED will turn off, and the selected custom key functions are cancelled. Clear Settings: Press and hold the CLEAR button for 5 seconds; the LED will light once. All custom key settings will be cleared, and buttons will revert to their default directional pad functions. 6. Headphone Use: Insert headphones into the audio port on the rear clamp for normal headphone use.