Compatibility: Black classic color battery cover compatible with xbox one/One S/One X controller [Not for Xbox Series X/S Controller].Please double-check that your controller's battery back cover matches this one before you buy! Secure and Durable: Made from premium materials to withstand the wear and tear of regular use, the controller battery cover fits snugly on the back of the controller and won't come off, even during intense gaming sessions. More Comfortable: The battery cover accessory is ergonomically designed to provide a better feel and grip. When used, you will experience a more comfortable and stable operating experience. Effortless Installation: Engineered for quick and effortless replacement, these precision-made battery back shells offer a straightforward solution to lost or damaged parts, ensuring uninterrupted gameplay and longevity. Package included: 4 x One Controller Battery Cover for Xbox One Controller (Black) 4 Pcs Battery Back Cover for Xbox One/One S/One X Controller[NOT for Xbox Series X/S],Battery Back Shell Covers for Xbox One Controller,Replacement Battery Cover Door Compatible with Xbox One(Black)