Premier microSDXC/SDHC Card from ADATA Massive performance in a tiny card Rated at Class 10 and UHS-I Class 1 (U1), the Premier microSDXC/SDHC cards enable uninterrupted recording of Full HD video and responsive capturing of high-resolution photos on your phone, drone, action camera and more. Being V10 (Video Speed Class) qualified, they can record up to 10MB of video per second. These cards provide read speeds up to 100MB per second for the rapid file copy to your computer. They also meet the A1 App Performance Class for quicker and smoother running of APPs directly from the card. Solid multi-point protection keeps your data safe and sound during the rigors of real-world use. An SD card adapter is included for use with DSLRs, camcorders, and other SD-compatible devices. Rapid Data Transfer Up to 100mb/s* UHS-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 and computers without frustrating delays. * Actual speed varies with card capacity, mobile devices, and host computers. Class 10 and V10 - Supports Full HD Video Recording Meeting Class 10 data speed requirements, Premier microSDXC/SDHC UHS-I Class 10 memory cards support Full HD 1080p video recording, enabling users to capture every scene in impressive, natural detail. They also meet V10 (Video Speed Class) specs, meaning they can record up to 10MB of video per second.