The Strike Pack Eliminator device is the most effective way of adding four additional back buttons to any official standard Xbox Wireless controller. Adds Four Back Buttons Ergonomic Hyper Response Back buttons provide improved response time Built In Controller MODS for Anti-recoil Etc. Windows 10 PC Required to update product to the latest firmware and use Mod Central software. NOTE: Compatible with Xbox Series X|S Type C controller model 1914 and compatible with Xbox One controller models 1537, 1697, and 1708. Elite Controller Series NOT supported. Windows 10 or higher PC required to update product to the latest firmware. Updated firmware required for optimal usage. Platforms: Xbox Series X