Features: XB ONE/XB Series SX controller extension button, two programmable buttons, supports up to 14 mappable buttons, helps you win the game quickly and freely. Button programming is designed with metal alloy material, the button feels good and the grip is comfortable. Equipped with a 3.5mm headphone jack, connect your headphones to enjoy immersive game sound effects, isolate external noise, and immerse yourself in the game. The unique design is exactly the same as the handle. The back buckle design is stable and not easy to fall off. The magnetic design is convenient to handle and easy to disassemble. Plug and play, easy to use, will not scratch your controller, fully enjoy the game and the immersive feeling. Specifications: Item Type: Back Button Accessories Model Number: AL-XB2031A, AL-XB2031B Material: ABS+ Alloy Color: Black Size: Approx. 5x4.5x2.5cm/1.96x1.77x0.98inch Quantity: 1 Pc Interface: Type-C Operating Temperature: -10~45 Input Voltage: 5V Type: XB ONE, SX Series (Optional) Applicable Models: Applicable Note for XB ONE/XB Series SX Handle: AL-XB2031A for XB ONE does not support PC, while AL-XB2031B for XB Series XS can be connected to PC to play PC games. The 3.5mm headphone jack on the back of the handle cannot be used simultaneously with the audio jack on the integrated XB handle. Due to manual measurement, please allow 0-1cm error. Make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Included: 1 x Controller Back Button Attachment 1 x User Manual