SanDisk Extreme PRO MicroSDXC 64GB SpecificationsCapacity: 64GBSpeed Class: Class 10Read Speed: Up to 170 MB/sWrite Speed: Varies (high-performance for 4K video and high-resolution photos)Form Factor: MicroSDXCIncluded Adapter: SD Adapter for compatibility with standard SD slotsModel Number: SDSQXCY-064G-GN6MACompatibility: Compatible with devices that support MicroSDXC and SD cardsProduct Features:Ideal for capturing high-quality 4K video and burst-mode photographyDurable design, built to withstand extreme conditions such as temperature, water, shock, and X-rays