This 64GB microSDXC Class 10 UHS-1 Memory Card from Sony features a maximum read speed of 40MB/s and a minimum write speed of 10MB/s. The Class 10 UHS-1 storage device is waterproof, dustproof and capable of withstanding extreme temperatures. Additionally, it's resistant to static electricity and features a UV guard to protect against ultraviolet rays. A supplied microSD adapter enables use in full-size SD card slots. Downloadable File Rescue software helps recover photos and videos, including 3D and HD files, that have been accidentally damaged or deleted.