Capacities up to 64GB to capture carry and keep it all Fast transfer speeds of up to 80MB/s Featuring Class 10 for Full HD Waterproof X-ray proof temperature proof and shockproof SD adapter included for compatibility with digital cameras Shoot and save more high-quality photos and Full HD video on your Android smartphone or tablet with SanDisk Ultra microSD UHS-I Cards. With storage capacities up to 64GB they're the ideal complement for Android smartphones and tablets. And the SanDisk Memory Zone app available on the Google Play store makes it easy to view access and back up all of your files from your phones memory in one convenient place. To help your smartphone run at its peak performance this app can be set to automatically off-load files from your smartphones internal memory to your memory card.