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 512GB 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!