Please Note: When using this back button attachment, the controller should always be connected to the Xbox Series X/S console with a cable, so you cannot use the controller wirelessly. Product Introduction: 1. The multifunctional back key is a product that adds the function of mapping programming keys on the basis of the original gamepad of XBOX Series X/S, which can increase the sense of experience of players. 2. There are two programmable keys that can be programmatically mapped to the gamepad keys up to 14 (X, Y, A, B, RB, RT, LB, LT, R, L, ↑, ↓, ←, →). 3. Equipped with 3.5 earphone interface, can be directly connected to 3.5 connector wired earphone, no sound delay, no noise. 4. The programming key dial is made of metal alloy material, the key feels comfortable; The paddles are designed with magnetic suction for easy disassembly. 5. The design of the appearance of this product has a creative personality, small and exquisite, which is the game players must choose. Installation Instructions: 1. Install the product on the battery position of the gamepad, and then connect the Type c plug wire to the Type c interface on the gamepad. 2. Connect the USB data cable to the Type c interface of the product, and connect the other USB A plug to the Xbox Series X/S game host for use. Function Key Operation Settings: 1. M1 and M2 Programming Key Function Setting Hold down the SET button for 3 seconds, and the LED indicator blinks. At this time, it has entered the setting mode, and you can SET M1 and M2 by yourself. Programming M1 key functions: hold the key on the gamepad (X, Y, A, B, RB, RT, LB, LT, R, L, ↑, ↓, ←, →), then press the custom key M1 and release it, Press the setting key again and the LED indicator will go out to exit the setting mode. Programming M2 key fucions: hold the key on the gamepad (X, Y, A, B, RB, RT, LB, LT, R, L, ↑, ↓, ←, →), then press the key M2 and release it. Press the setting key again and the LED indicator will go out