I purchased this on Mercari in September of this year. The back pad was difficult for me to use with the way I hold it, and I only used it once (for about an hour). The previous seller said they used it for about two months. There were no issues such as stick drift. MERKA.G Back Controller Back paddles (two) Remapping function Click triggers and quick bumpers Compatible with PS5 and PC Spare sticks are included. There were no problems or stick drift as far as I used them. However, please understand that this is a used item before purchasing. Purchase date: February 2025 Purchase price: 31,800 yen There is no warranty. The sticks are detachable and come in short and long types. RASEN Void Hex