Features: brand new and high quality This product is an X-BOX controller Back Button Attachment, installed to X-box one; X-box one S; X-box one X; X-box Series X; X-box Series S series controller, connected to the game console through a data cable, when playing games, according to the user The habit of the control handle can customize the control for key functions used in the game to the four custom keys on the back clip to make the game experience handy. This product is the first choice for gamers. Plug and for play, and bring users a different gaming experience. Perfect fit, beautiful appearance. No audio transfer, no delay. Perfect ergonomic design, precise and fast button response. Specifications: Specifications: Item Type: Back Button Attachment Material: ABS Color: Black Quantity: 1PC Package Includes: 1 x Back Button Attachment 1 x User Manual note: Note: Transition: 1cm=10mm=0.39inch 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