You mainly take pictures and videos with your smartphone and don't have enough storage space? Rely on the performance of the microSD card UHS-I Professional. It offers the fastest read speeds of up to 100 MB/s and write speeds of up to 45 MB/s, allowing you to transfer memory-intensive content in seconds. The performance of your smartphone or tablet can... be fully exploited thanks to Full HD and 4K quality and ensures outstanding results, especially with action cams.