~~~ Product Details Formatted in a Windows 11 environment. Formatted in FAT, FAT32, NTFS, or exFAT. Please reformat according to your environment. Operation has been confirmed, but returns are not accepted due to frequent product swapping. Please understand this beforehand. Please consider this item only if you trust my past ratings. This is a used item, so please make your decision based on the photos. I am a non-smoker and I do not have any pets. ~~~ Product Data ・Type: PSP Compatible Memory Stick Pro Duo ・Manufacturer: SONY ・Capacity: 1GB ・Compatible with: PSP, computers, digital cameras, etc.