UFB-UP5 is the device fit Brook Universal Fighting Board, which is the upgrade kit makes the Brook UFB fully compatible with PS5. Connect UFB-UP5 with Brook UFB, you can play PS5 fighting games on your Fightsticks Stable and Zero Delay works great on PS5. No 8-minute timeout issues. 2x2 centimeters small size PCB saves assembly space. A wafer connector is included in the package, for those who owns a UFB w/o pin-connector version, it is much easier to weld. Easy to install and upgrade: 1. Welding wafer connector 2. Connect UFB-UP5 and UFB 3. Firmware update