Designed for your smartphone, tablet, or action camera, Lexar High-Performance 633x MicroSDHC/MicroSDXC UHS-I cards let you quickly capture, playback, and transfer 1080p Full-HD, 3D, and 4K video, as well as the highest-quality movies, photos, and songs. These high-capacity, Class 10 cards leverage UHS-I technology to deliver high-speed performance up to 100MB/s. This premium memory solution includes an SD adapter and provides the speed and space you need to capture more adventure on the go. Operating Temperature 0 degrees Celsius to 70 degrees Celsius and Storage Temperature -25 degrees Celsius to 85 degrees Celsius .