The SanDisk Genuine Camera Memory Stick Pro Duo Adaptor with Case is a card adapter designed specifically for Memory Stick Duo and Memory Stick PRO Duo cards. With a capacity of 1.0 GB, this adapter is compatible with SanDisk Pro Duo models, providing a convenient solution for transferring and storing camera data. The included case ensures the memory stick is protected and organized, making it a practical accessory for photographers and videographers.