Up to 45MB/s Read Speed for Enhanced Performance Featuring read speeds up to 45MB/s**, the SanDisk Extreme microSDHC and microSDXC UHS-I Memory Cards save time moving it all from the camera to the computer. Enjoy quick photo editing and smooth Full HD video playback. You'll also be able to transfer and retrieve files more efficiently.Class 10 and UHS Speed Class 1 (U1) Video Recording Ratings for Uninterrupted Full HD (1080p) Video Class 10 and UHS Speed Class 1 (U1) video recording ratings keep up with the demands of fast-action 3D and Full HD video, so you get smooth video recording and playback without interruptions.Storage Capacities Up to 64GB With capacities up to 64GB, SanDisk Extreme microSDHC and microSDXC UHS-I memory cards provide plenty of space for your videos, photos, music, games, and other memory-intensive files.SD Adapter for Versatility This card comes with a convenient SD™ card adapter, so you can also capture and access data on the card with any device that has an SD card slot. You'll be able to use your memory card with SD enabled cameras, camcorders, tablets, and laptops.Durable Design Designed to protect your memories from life’s mishaps, SanDisk Extreme microSDHC and microSDXC UHS-I Memory Cards** are waterproof, shockproof, and X-ray proof. They can operate in temperatures ranging from -13 to 185 degrees Fahrenheit. Take your phone, tablet, or camera to the mountains, the ocean, or the desert. Even if your device doesn't survive, your SanDisk memory card will.