Premier microSDXC/SDHC UHS-I Class 10 memory cards provide read speeds up to 85MB per second for rapid file transfers. Featuring a Class 10 performance rating, Premier microSDXC/SDHC UHS-I memory cards enable uninterrupted, high quality recording of Full HD video on smartphones and tablets. Being V10 (Video Speed Class) qualified, they can record up to 10MB of video per second. Available in 16GB to 128GB and backed by solid multi-point protection. UHS-I Class 10 qualified, maximum sequential read speed on Premier microSDXC/SDHC memory cards reaches 85MB per second, allowing users to quickly transfer data between smartphones/tablets and computers without frustrating delays. If you are an Android smartphone/tablet user, A1-qualified Premier microSDXC/SDHC UHS-I memory cards can help to install and run apps faster. With Android 6.0/7.0, users are able to choose microSD cards as adaptable storage not just for static content such as photos and video, but also for apps. This helps expand smartphone internal storage for more exciting mobile usage.