Rapid data transfer up to 85MB/s UHS-I 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. Class 10 - Supports Full HD video recording Meeting Class 10 data speed requirements, Premier microSDXC/SDHC UHS-I memory cards support Full HD 1080p video recording, enabling users to capture every scene in impressive, natural detail. A1 qualified - for faster app performance 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. High compatibility across multiple devices Featuring high compatibility, Premier microSDXC/SDHC UHS-I memory cards support smartphones, tablets, digital cameras, and video recorders with the bundled SD card adapter. Premier microSDXC/SDHC UHS-I memory cards offer up to 128GB of storage expansion, so even the most demanding content can be recorded without fear of quickly running out of space. Full protection for high durability Premier microSDXC/SDHC UHS-I memory cards are equipped with automatic error correcting code (ECC). They pass rigorous waterproof, shockproof, X-ray proof, and anti-static testing for rugged durability.