256 GB MicroSDXC Class 10 UHS-I Class 1 (U1) V10 100 MB/s Heat resistant, Scratch resistant, Shock resistant, Waterproof Black Premier microSDXC/SDHC UHS-I Class 10 memory cards provide read speeds up to 100MB 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. It also meets the A1 standard for quicker and smoother execution of APPs. Being V10 (Video Speed Class) qualified, they can record up to 10MB of video per second. Available in 16GB to 256GB and backed by solid multi-point protection, Premier microSDXC/SDHC UHS-I memory cards allow mobile device enthusiasts to record and share wonderful memories with ease!Rapid data transfer up to 100MB/sUHS-I Class 10 qualified, maximum sequential read speed on Premier microSDXC/SDHC memory cards reaches 100MB per second, allowing users to quickly transfer data between smartphones/tablets a