Features: Controller handle extended back button for XB ONE/XB Series S X, two programmable buttons, supports up to 14 mappable buttons, helping you win the game quickly and freely. Programming for key paddle is designed with metal alloy material, and the keys feel good and comfortable to hold. Equipped with 3.5mm headphone interface, plug in your headphones to enjoy immersive in-game sound, cut out outside noise, and devote yourself to the game. Unique design, completely consistent with the handle, and the back buckle design is stable and not easy to fall off, magnetic design, comfortable hand feel, easy to disassemble. Plug and for play, easy to use, will not scratch your controller, fully enjoy the gaming and immersive yourself. Specifications: Item Type: Back Button Attachment Model: AL-XB2031A, AL-XB2031B Material: ABS+Alloy Color: Black Size: approx. 5x4.5x2.5 for cm/1.96x1.77x0.98 inch Quantity: 1 Pc Interface: Type-C Working Temperature: -10~45 Input Voltage: 5V Type: for XB ONE, for Series S X(optional) Applicable Models: for XB ONE/XB Series S X Controllers Note: AL-XB2031A for XB ONE does not supports PC, while AL-XB2031B for XB Series X S can be wired connection to the PC computer and for play PC games. 3.5mm Headphone hole on the controller back contachment can'for t be used at the same for time with the audio jack for XB one controller. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1x Controller Back Button Attachment 1x User Manual